508421293 has 4 divisors (see below), whose sum is σ = 520245088. Its totient is φ = 496597500.

The previous prime is 508421281. The next prime is 508421317. The reversal of 508421293 is 392124805.

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-508421293 is a prime.

It is a super-2 number, since 2×508421293² = 516984422351583698, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (508421213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5911833 + ... + 5911918.

It is an arithmetic number, because the mean of its divisors is an integer number (130061272).

Almost surely, 2^508421293 is an apocalyptic number.

It is an amenable number.

508421293 is a deficient number, since it is larger than the sum of its proper divisors (11823795).

508421293 is a wasteful number, since it uses less digits than its factorization.

508421293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11823794.

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 508421293 is about 22548.1993294365. The cubic root of 508421293 is about 798.1317304617.

The spelling of 508421293 in words is "five hundred eight million, four hundred twenty-one thousand, two hundred ninety-three".