525351420403241 has 4 divisors (see below), whose sum is σ = 526068134483652. Its totient is φ = 524634706322832.

The previous prime is 525351420403231. The next prime is 525351420403283. The reversal of 525351420403241 is 142304024153525.

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 445565437113241 + 79785983290000 = 21108421^2 + 8932300^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-525351420403241 is a prime.

It is a super-2 number, since 2×525351420403241² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (525351420403231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 358357039106 + ... + 358357040571.

It is an arithmetic number, because the mean of its divisors is an integer number (131517033620913).

Almost surely, 2^{525351420403241} is an apocalyptic number.

It is an amenable number.

525351420403241 is a deficient number, since it is larger than the sum of its proper divisors (716714080411).

525351420403241 is an equidigital number, since it uses as much as digits as its factorization.

525351420403241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 716714080410.

The product of its (nonzero) digits is 576000, while the sum is 41.

Adding to 525351420403241 its reverse (142304024153525), we get a palindrome (667655444556766).

The spelling of 525351420403241 in words is "five hundred twenty-five trillion, three hundred fifty-one billion, four hundred twenty million, four hundred three thousand, two hundred forty-one".