488165831 has 2 divisors, whose sum is σ = 488165832. Its totient is φ = 488165830.

The previous prime is 488165809. The next prime is 488165837. The reversal of 488165831 is 138561884.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-488165831 is a prime.

It is a super-2 number, since 2×488165831² = 476611757111841122, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (488165837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 244082915 + 244082916.

It is an arithmetic number, because the mean of its divisors is an integer number (244082916).

Almost surely, 2^488165831 is an apocalyptic number.

488165831 is a deficient number, since it is larger than the sum of its proper divisors (1).

488165831 is an equidigital number, since it uses as much as digits as its factorization.

488165831 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 184320, while the sum is 44.

The square root of 488165831 is about 22094.4751238856. The cubic root of 488165831 is about 787.3886059285.

The spelling of 488165831 in words is "four hundred eighty-eight million, one hundred sixty-five thousand, eight hundred thirty-one".