525403304525 has 12 divisors (see below), whose sum is σ = 710727379584. Its totient is φ = 382111494000.

The previous prime is 525403304509. The next prime is 525403304611.

525403304525 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 525403304525 - 2⁴ = 525403304509 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 955278461 + ... + 955279010.

It is an arithmetic number, because the mean of its divisors is an integer number (59227281632).

Almost surely, 2^525403304525 is an apocalyptic number.

525403304525 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

525403304525 is a deficient number, since it is larger than the sum of its proper divisors (185324075059).

525403304525 is a wasteful number, since it uses less digits than its factorization.

525403304525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1910557492 (or 1910557487 counting only the distinct ones).

The product of its (nonzero) digits is 360000, while the sum is 38.

It can be divided in two parts, 525403 and 304525, that added together give a palindrome (829928).

The spelling of 525403304525 in words is "five hundred twenty-five billion, four hundred three million, three hundred four thousand, five hundred twenty-five".