43025125303421 has 4 divisors (see below), whose sum is σ = 43025172375612. Its totient is φ = 43025078231232.

The previous prime is 43025125303387. The next prime is 43025125303439. The reversal of 43025125303421 is 12430352152034.

43025125303421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 18497482756900 + 24527642546521 = 4300870^2 + 4952539^2 .

It is a cyclic number.

It is not a de Polignac number, because 43025125303421 - 2¹⁴ = 43025125287037 is a prime.

It is a super-2 number, since 2×43025125303421² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43025125303471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22137350 + ... + 24002343.

It is an arithmetic number, because the mean of its divisors is an integer number (10756293093903).

Almost surely, 2^{43025125303421} is an apocalyptic number.

It is an amenable number.

43025125303421 is a deficient number, since it is larger than the sum of its proper divisors (47072191).

43025125303421 is an equidigital number, since it uses as much as digits as its factorization.

43025125303421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47072190.

The product of its (nonzero) digits is 86400, while the sum is 35.

Adding to 43025125303421 its reverse (12430352152034), we get a palindrome (55455477455455).

The spelling of 43025125303421 in words is "forty-three trillion, twenty-five billion, one hundred twenty-five million, three hundred three thousand, four hundred twenty-one".