501520025 has 12 divisors (see below), whose sum is σ = 622294992. Its totient is φ = 400951440.

The previous prime is 501520013. The next prime is 501520027. The reversal of 501520025 is 520025105.

It is not a de Polignac number, because 501520025 - 2⁶ = 501519961 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 501519979 and 501520006.

It is not an unprimeable number, because it can be changed into a prime (501520027) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37934 + ... + 49416.

It is an arithmetic number, because the mean of its divisors is an integer number (51857916).

Almost surely, 2^501520025 is an apocalyptic number.

It is an amenable number.

501520025 is a deficient number, since it is larger than the sum of its proper divisors (120774967).

501520025 is a wasteful number, since it uses less digits than its factorization.

501520025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13240 (or 13235 counting only the distinct ones).

The product of its (nonzero) digits is 500, while the sum is 20.

The square root of 501520025 is about 22394.6427745566. The cubic root of 501520025 is about 794.5040087521.

The spelling of 501520025 in words is "five hundred one million, five hundred twenty thousand, twenty-five".