41525101421 has 4 divisors (see below), whose sum is σ = 42957001500. Its totient is φ = 40093201344.

The previous prime is 41525101403. The next prime is 41525101427. The reversal of 41525101421 is 12410152514.

It is a happy number.

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 15090894025 + 26434207396 = 122845^2 + 162586^2 .

It is a cyclic number.

It is not a de Polignac number, because 41525101421 - 2¹⁸ = 41524839277 is a prime.

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 (41525101427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 715949996 + ... + 715950053.

It is an arithmetic number, because the mean of its divisors is an integer number (10739250375).

Almost surely, 2^41525101421 is an apocalyptic number.

It is an amenable number.

41525101421 is a deficient number, since it is larger than the sum of its proper divisors (1431900079).

41525101421 is a wasteful number, since it uses less digits than its factorization.

41525101421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1431900078.

The product of its (nonzero) digits is 1600, while the sum is 26.

Adding to 41525101421 its reverse (12410152514), we get a palindrome (53935253935).

The spelling of 41525101421 in words is "forty-one billion, five hundred twenty-five million, one hundred one thousand, four hundred twenty-one".