240997051 has 2 divisors, whose sum is σ = 240997052. Its totient is φ = 240997050.

The previous prime is 240997027. The next prime is 240997061. The reversal of 240997051 is 150799042.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-240997051 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 240997051.

It is not a weakly prime, because it can be changed into another prime (240997061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120498525 + 120498526.

It is an arithmetic number, because the mean of its divisors is an integer number (120498526).

Almost surely, 2^240997051 is an apocalyptic number.

240997051 is a deficient number, since it is larger than the sum of its proper divisors (1).

240997051 is an equidigital number, since it uses as much as digits as its factorization.

240997051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22680, while the sum is 37.

The square root of 240997051 is about 15524.0797150749. The cubic root of 240997051 is about 622.3058870149.

The spelling of 240997051 in words is "two hundred forty million, nine hundred ninety-seven thousand, fifty-one".