505004520 has 32 divisors (see below), whose sum is σ = 1515013920. Its totient is φ = 134667840.

The previous prime is 505004509. The next prime is 505004587. The reversal of 505004520 is 25400505.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2104066 + ... + 2104305.

It is an arithmetic number, because the mean of its divisors is an integer number (47344185).

Almost surely, 2^505004520 is an apocalyptic number.

It is an amenable number.

505004520 is an abundant number, since it is smaller than the sum of its proper divisors (1010009400).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

505004520 is a wasteful number, since it uses less digits than its factorization.

505004520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4208385 (or 4208381 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 21.

The square root of 505004520 is about 22472.3056226992. The cubic root of 505004520 is about 796.3398000432.

The spelling of 505004520 in words is "five hundred five million, four thousand, five hundred twenty".