520642954 has 32 divisors (see below), whose sum is σ = 876427776. Its totient is φ = 230333760.

The previous prime is 520642951. The next prime is 520642957. The reversal of 520642954 is 459246025.

It is an interprime number because it is at equal distance from previous prime (520642951) and next prime (520642957).

It is a super-2 number, since 2×520642954² = 542138171099692232, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (520642951) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 83224 + ... + 89260.

It is an arithmetic number, because the mean of its divisors is an integer number (27388368).

Almost surely, 2^520642954 is an apocalyptic number.

520642954 is a deficient number, since it is larger than the sum of its proper divisors (355784822).

520642954 is a wasteful number, since it uses less digits than its factorization.

520642954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6190.

The product of its (nonzero) digits is 86400, while the sum is 37.

The square root of 520642954 is about 22817.6018459434. The cubic root of 520642954 is about 804.4764436376.

Adding to 520642954 its reverse (459246025), we get a palindrome (979888979).

The spelling of 520642954 in words is "five hundred twenty million, six hundred forty-two thousand, nine hundred fifty-four".