240634577 has 2 divisors, whose sum is σ = 240634578. Its totient is φ = 240634576.

The previous prime is 240634573. The next prime is 240634591. The reversal of 240634577 is 775436042.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 193794241 + 46840336 = 13921^2 + 6844^2 .

It is a cyclic number.

It is not a de Polignac number, because 240634577 - 2² = 240634573 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 240634577.

It is not a weakly prime, because it can be changed into another prime (240634571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120317288 + 120317289.

It is an arithmetic number, because the mean of its divisors is an integer number (120317289).

Almost surely, 2^240634577 is an apocalyptic number.

It is an amenable number.

240634577 is a deficient number, since it is larger than the sum of its proper divisors (1).

240634577 is an equidigital number, since it uses as much as digits as its factorization.

240634577 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 141120, while the sum is 38.

The square root of 240634577 is about 15512.4007490781. The cubic root of 240634577 is about 621.9937353546.

The spelling of 240634577 in words is "two hundred forty million, six hundred thirty-four thousand, five hundred seventy-seven".