502957057 has 4 divisors (see below), whose sum is σ = 504211716. Its totient is φ = 501702400.

The previous prime is 502957033. The next prime is 502957109. The reversal of 502957057 is 750759205.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 279424656 + 223532401 = 16716^2 + 14951^2 .

It is a cyclic number.

It is not a de Polignac number, because 502957057 - 2⁷ = 502956929 is a prime.

It is a super-2 number, since 2×502957057² = 505931602372202498, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (502957027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 626728 + ... + 627529.

It is an arithmetic number, because the mean of its divisors is an integer number (126052929).

Almost surely, 2^502957057 is an apocalyptic number.

It is an amenable number.

502957057 is a deficient number, since it is larger than the sum of its proper divisors (1254659).

502957057 is a wasteful number, since it uses less digits than its factorization.

502957057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1254658.

The product of its (nonzero) digits is 110250, while the sum is 40.

The square root of 502957057 is about 22426.7041047052. The cubic root of 502957057 is about 795.2621299809.

The spelling of 502957057 in words is "five hundred two million, nine hundred fifty-seven thousand, fifty-seven".