240735961 has 2 divisors, whose sum is σ = 240735962. Its totient is φ = 240735960.

The previous prime is 240735899. The next prime is 240735967. The reversal of 240735961 is 169537042.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 240715225 + 20736 = 15515^2 + 144^2 .

It is a cyclic number.

It is not a de Polignac number, because 240735961 - 2⁹ = 240735449 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 240735961.

It is not a weakly prime, because it can be changed into another prime (240735967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120367980 + 120367981.

It is an arithmetic number, because the mean of its divisors is an integer number (120367981).

Almost surely, 2^240735961 is an apocalyptic number.

It is an amenable number.

240735961 is a deficient number, since it is larger than the sum of its proper divisors (1).

240735961 is an equidigital number, since it uses as much as digits as its factorization.

240735961 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 45360, while the sum is 37.

The square root of 240735961 is about 15515.6682421351. The cubic root of 240735961 is about 622.0810757520.

The spelling of 240735961 in words is "two hundred forty million, seven hundred thirty-five thousand, nine hundred sixty-one".