242331259 has 2 divisors, whose sum is σ = 242331260. Its totient is φ = 242331258.

The previous prime is 242331253. The next prime is 242331269. The reversal of 242331259 is 952133242.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 242331259 - 2³ = 242331251 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 242331259.

It is not a weakly prime, because it can be changed into another prime (242331251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121165629 + 121165630.

It is an arithmetic number, because the mean of its divisors is an integer number (121165630).

Almost surely, 2^242331259 is an apocalyptic number.

242331259 is a deficient number, since it is larger than the sum of its proper divisors (1).

242331259 is an equidigital number, since it uses as much as digits as its factorization.

242331259 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12960, while the sum is 31.

The square root of 242331259 is about 15566.9926125761. The cubic root of 242331259 is about 623.4521776378.

The spelling of 242331259 in words is "two hundred forty-two million, three hundred thirty-one thousand, two hundred fifty-nine".