240862631 has 2 divisors, whose sum is σ = 240862632. Its totient is φ = 240862630.

The previous prime is 240862621. The next prime is 240862669. The reversal of 240862631 is 136268042.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-240862631 is a prime.

It is a super-2 number, since 2×240862631² = 116029614024484322, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (240862621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120431315 + 120431316.

It is an arithmetic number, because the mean of its divisors is an integer number (120431316).

Almost surely, 2^240862631 is an apocalyptic number.

240862631 is a deficient number, since it is larger than the sum of its proper divisors (1).

240862631 is an equidigital number, since it uses as much as digits as its factorization.

240862631 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 240862631 is about 15519.7497080333. The cubic root of 240862631 is about 622.1901651084.

The spelling of 240862631 in words is "two hundred forty million, eight hundred sixty-two thousand, six hundred thirty-one".