525240504215013 has 4 divisors (see below), whose sum is σ = 700320672286688. Its totient is φ = 350160336143340.

The previous prime is 525240504214991. The next prime is 525240504215027. The reversal of 525240504215013 is 310512405042525.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 525240504215013 - 2²⁴ = 525240487437797 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (525240504115013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87540084035833 + ... + 87540084035838.

It is an arithmetic number, because the mean of its divisors is an integer number (175080168071672).

Almost surely, 2^{525240504215013} is an apocalyptic number.

It is an amenable number.

525240504215013 is a deficient number, since it is larger than the sum of its proper divisors (175080168071675).

525240504215013 is a wasteful number, since it uses less digits than its factorization.

525240504215013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175080168071674.

The product of its (nonzero) digits is 240000, while the sum is 39.

Adding to 525240504215013 its reverse (310512405042525), we get a palindrome (835752909257538).

The spelling of 525240504215013 in words is "five hundred twenty-five trillion, two hundred forty billion, five hundred four million, two hundred fifteen thousand, thirteen".