240242579 has 2 divisors, whose sum is σ = 240242580. Its totient is φ = 240242578.

The previous prime is 240242557. The next prime is 240242599. The reversal of 240242579 is 975242042.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 240242579 - 2⁸ = 240242323 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (240242599) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120121289 + 120121290.

It is an arithmetic number, because the mean of its divisors is an integer number (120121290).

Almost surely, 2^240242579 is an apocalyptic number.

240242579 is a deficient number, since it is larger than the sum of its proper divisors (1).

240242579 is an equidigital number, since it uses as much as digits as its factorization.

240242579 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40320, while the sum is 35.

The square root of 240242579 is about 15499.7606110546. The cubic root of 240242579 is about 621.6558055094.

The spelling of 240242579 in words is "two hundred forty million, two hundred forty-two thousand, five hundred seventy-nine".