242404271 has 2 divisors, whose sum is σ = 242404272. Its totient is φ = 242404270.

The previous prime is 242404249. The next prime is 242404303. The reversal of 242404271 is 172404242.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-242404271 is a prime.

It is equal to p_13286141 and since 242404271 and 13286141 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 242404271.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (242404171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121202135 + 121202136.

It is an arithmetic number, because the mean of its divisors is an integer number (121202136).

Almost surely, 2^242404271 is an apocalyptic number.

242404271 is a deficient number, since it is larger than the sum of its proper divisors (1).

242404271 is an equidigital number, since it uses as much as digits as its factorization.

242404271 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3584, while the sum is 26.

The square root of 242404271 is about 15569.3375260478. The cubic root of 242404271 is about 623.5147846657.

The spelling of 242404271 in words is "two hundred forty-two million, four hundred four thousand, two hundred seventy-one".