502492397 has 4 divisors (see below), whose sum is σ = 548173536. Its totient is φ = 456811260.

The previous prime is 502492387. The next prime is 502492399. The reversal of 502492397 is 793294205.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-502492397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (502492399) 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, 22840553 + ... + 22840574.

It is an arithmetic number, because the mean of its divisors is an integer number (137043384).

Almost surely, 2^502492397 is an apocalyptic number.

It is an amenable number.

502492397 is a deficient number, since it is larger than the sum of its proper divisors (45681139).

502492397 is a wasteful number, since it uses less digits than its factorization.

502492397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45681138.

The product of its (nonzero) digits is 136080, while the sum is 41.

The square root of 502492397 is about 22416.3421860035. The cubic root of 502492397 is about 795.0171519050.

The spelling of 502492397 in words is "five hundred two million, four hundred ninety-two thousand, three hundred ninety-seven".