501040025 has 12 divisors (see below), whose sum is σ = 621723600. Its totient is φ = 400552080.

The previous prime is 501040021. The next prime is 501040061. The reversal of 501040025 is 520040105.

It is not a de Polignac number, because 501040025 - 2² = 501040021 is a prime.

It is a super-2 number, since 2×501040025² = 502082213304001250, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 501039985 and 501040012.

It is not an unprimeable number, because it can be changed into a prime (501040021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34286 + ... + 46664.

It is an arithmetic number, because the mean of its divisors is an integer number (51810300).

Almost surely, 2^501040025 is an apocalyptic number.

It is an amenable number.

501040025 is a deficient number, since it is larger than the sum of its proper divisors (120683575).

501040025 is a wasteful number, since it uses less digits than its factorization.

501040025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14008 (or 14003 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 17.

The square root of 501040025 is about 22383.9233603048. The cubic root of 501040025 is about 794.2504571251.

The spelling of 501040025 in words is "five hundred one million, forty thousand, twenty-five".