520607868706025 has 48 divisors (see below), whose sum is σ = 690737976190080. Its totient is φ = 387857045376000.

The previous prime is 520607868706021. The next prime is 520607868706033.

It is a happy number.

520607868706025 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 520607868706025 - 2² = 520607868706021 is a prime.

It is not an unprimeable number, because it can be changed into a prime (520607868706021) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 63030302 + ... + 70809848.

It is an arithmetic number, because the mean of its divisors is an integer number (14390374503960).

Almost surely, 2^{520607868706025} is an apocalyptic number.

It is an amenable number.

520607868706025 is a deficient number, since it is larger than the sum of its proper divisors (170130107484055).

520607868706025 is a wasteful number, since it uses less digits than its factorization.

520607868706025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7781234 (or 7781229 counting only the distinct ones).

The product of its (nonzero) digits is 67737600, while the sum is 62.

The spelling of 520607868706025 in words is "five hundred twenty trillion, six hundred seven billion, eight hundred sixty-eight million, seven hundred six thousand, twenty-five".