501202442025 has 36 divisors (see below), whose sum is σ = 898251698812. Its totient is φ = 267146449920.

The previous prime is 501202442003. The next prime is 501202442051. The reversal of 501202442025 is 520244202105.

It can be written as a sum of positive squares in 6 ways, for example, as 2581452864 + 498620989161 = 50808^2 + 706131^2 .

It is not a de Polignac number, because 501202442025 - 2⁸ = 501202441769 is a prime.

It is a super-2 number, since 2×501202442025² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 501202442025.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 299344 + ... + 1044993.

Almost surely, 2^501202442025 is an apocalyptic number.

It is an amenable number.

501202442025 is a deficient number, since it is larger than the sum of its proper divisors (397049256787).

501202442025 is a wasteful number, since it uses less digits than its factorization.

501202442025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1346010 (or 1346002 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 27.

The spelling of 501202442025 in words is "five hundred one billion, two hundred two million, four hundred forty-two thousand, twenty-five".