501025057 has 4 divisors (see below), whose sum is σ = 539565460. Its totient is φ = 462484656.

The previous prime is 501025051. The next prime is 501025087. The reversal of 501025057 is 750520105.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 750520105 = 5 ⋅150104021.

It can be written as a sum of positive squares in 2 ways, for example, as 92621376 + 408403681 = 9624^2 + 20209^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-501025057 is a prime.

It is a super-2 number, since 2×501025057² = 502052215483706498, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (501025051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19270182 + ... + 19270207.

It is an arithmetic number, because the mean of its divisors is an integer number (134891365).

Almost surely, 2^501025057 is an apocalyptic number.

It is an amenable number.

501025057 is a deficient number, since it is larger than the sum of its proper divisors (38540403).

501025057 is a wasteful number, since it uses less digits than its factorization.

501025057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38540402.

The product of its (nonzero) digits is 1750, while the sum is 25.

The square root of 501025057 is about 22383.5890107016. The cubic root of 501025057 is about 794.2425479371.

The spelling of 501025057 in words is "five hundred one million, twenty-five thousand, fifty-seven".