520732237025 has 48 divisors (see below), whose sum is σ = 866964594048. Its totient is φ = 299642112000.

The previous prime is 520732237013. The next prime is 520732237031.

520732237025 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 520732237025 - 2⁶ = 520732236961 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 520732237025.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10379216 + ... + 10429265.

It is an arithmetic number, because the mean of its divisors is an integer number (18061762376).

Almost surely, 2^520732237025 is an apocalyptic number.

520732237025 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

520732237025 is a deficient number, since it is larger than the sum of its proper divisors (346232357023).

520732237025 is a wasteful number, since it uses less digits than its factorization.

520732237025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20808522 (or 20808517 counting only the distinct ones).

The product of its (nonzero) digits is 176400, while the sum is 38.

It can be divided in two parts, 520732 and 237025, that added together give a palindrome (757757).

The spelling of 520732237025 in words is "five hundred twenty billion, seven hundred thirty-two million, two hundred thirty-seven thousand, twenty-five".