242170571 has 2 divisors, whose sum is σ = 242170572. Its totient is φ = 242170570.

The previous prime is 242170547. The next prime is 242170597. The reversal of 242170571 is 175071242.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 242170571 - 2⁶ = 242170507 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (242170771) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121085285 + 121085286.

It is an arithmetic number, because the mean of its divisors is an integer number (121085286).

Almost surely, 2^242170571 is an apocalyptic number.

242170571 is a deficient number, since it is larger than the sum of its proper divisors (1).

242170571 is an equidigital number, since it uses as much as digits as its factorization.

242170571 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3920, while the sum is 29.

The square root of 242170571 is about 15561.8305799800. The cubic root of 242170571 is about 623.3143450483.

The spelling of 242170571 in words is "two hundred forty-two million, one hundred seventy thousand, five hundred seventy-one".