525524102513 has 4 divisors (see below), whose sum is σ = 525620552100. Its totient is φ = 525427652928.

The previous prime is 525524102503. The next prime is 525524102549. The reversal of 525524102513 is 315201425525.

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 90388618609 + 435135483904 = 300647^2 + 659648^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-525524102513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (525524102503) 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, 48216620 + ... + 48227517.

It is an arithmetic number, because the mean of its divisors is an integer number (131405138025).

Almost surely, 2^525524102513 is an apocalyptic number.

It is an amenable number.

525524102513 is a deficient number, since it is larger than the sum of its proper divisors (96449587).

525524102513 is an equidigital number, since it uses as much as digits as its factorization.

525524102513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96449586.

The product of its (nonzero) digits is 60000, while the sum is 35.

The spelling of 525524102513 in words is "five hundred twenty-five billion, five hundred twenty-four million, one hundred two thousand, five hundred thirteen".