488695531 has 2 divisors, whose sum is σ = 488695532. Its totient is φ = 488695530.

The previous prime is 488695517. The next prime is 488695547. The reversal of 488695531 is 135596884.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-488695531 is a prime.

It is a super-2 number, since 2×488695531² = 477646644038743922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (488695231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 244347765 + 244347766.

It is an arithmetic number, because the mean of its divisors is an integer number (244347766).

Almost surely, 2^488695531 is an apocalyptic number.

488695531 is a deficient number, since it is larger than the sum of its proper divisors (1).

488695531 is an equidigital number, since it uses as much as digits as its factorization.

488695531 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1036800, while the sum is 49.

The square root of 488695531 is about 22106.4590335042. The cubic root of 488695531 is about 787.6732967403.

The spelling of 488695531 in words is "four hundred eighty-eight million, six hundred ninety-five thousand, five hundred thirty-one".