520034657 has 2 divisors, whose sum is σ = 520034658. Its totient is φ = 520034656.

The previous prime is 520034653. The next prime is 520034663. The reversal of 520034657 is 756430025.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 413552896 + 106481761 = 20336^2 + 10319^2 .

It is a cyclic number.

It is not a de Polignac number, because 520034657 - 2² = 520034653 is a prime.

It is a super-2 number, since 2×520034657² = 540872088962215298, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (520034653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 260017328 + 260017329.

It is an arithmetic number, because the mean of its divisors is an integer number (260017329).

Almost surely, 2^520034657 is an apocalyptic number.

It is an amenable number.

520034657 is a deficient number, since it is larger than the sum of its proper divisors (1).

520034657 is an equidigital number, since it uses as much as digits as its factorization.

520034657 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25200, while the sum is 32.

The square root of 520034657 is about 22804.2683943160. The cubic root of 520034657 is about 804.1630162302.

The spelling of 520034657 in words is "five hundred twenty million, thirty-four thousand, six hundred fifty-seven".