240604631 has 2 divisors, whose sum is σ = 240604632. Its totient is φ = 240604630.

The previous prime is 240604627. The next prime is 240604649. The reversal of 240604631 is 136406042.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 240604631 - 2² = 240604627 is a prime.

It is a super-2 number, since 2×240604631² = 115781176917292322, which contains 22 as substring.

It is equal to p_13193063 and since 240604631 and 13193063 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 240604631.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (240604831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120302315 + 120302316.

It is an arithmetic number, because the mean of its divisors is an integer number (120302316).

Almost surely, 2^240604631 is an apocalyptic number.

240604631 is a deficient number, since it is larger than the sum of its proper divisors (1).

240604631 is an equidigital number, since it uses as much as digits as its factorization.

240604631 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 240604631 is about 15511.4354912755. The cubic root of 240604631 is about 621.9679327492.

The spelling of 240604631 in words is "two hundred forty million, six hundred four thousand, six hundred thirty-one".