501252640310025 has 96 divisors (see below), whose sum is σ = 935955700358400. Its totient is φ = 262940789260800.

The previous prime is 501252640309943. The next prime is 501252640310027. The reversal of 501252640310025 is 520013046252105.

501252640310025 is a `hidden beast` number, since 5 + 0 + 1 + 2 + 5 + 2 + 640 + 3 + 1 + 0 + 0 + 2 + 5 = 666.

It is not a de Polignac number, because 501252640310025 - 2¹⁸ = 501252640047881 is a prime.

It is not an unprimeable number, because it can be changed into a prime (501252640310027) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 993588796 + ... + 994093154.

It is an arithmetic number, because the mean of its divisors is an integer number (9749538545400).

Almost surely, 2^{501252640310025} is an apocalyptic number.

It is an amenable number.

501252640310025 is a deficient number, since it is larger than the sum of its proper divisors (434703060048375).

501252640310025 is a wasteful number, since it uses less digits than its factorization.

501252640310025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 528576 (or 528565 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

The spelling of 501252640310025 in words is "five hundred one trillion, two hundred fifty-two billion, six hundred forty million, three hundred ten thousand, twenty-five".