242772571 has 2 divisors, whose sum is σ = 242772572. Its totient is φ = 242772570.

The previous prime is 242772559. The next prime is 242772583. The reversal of 242772571 is 175277242.

It is a balanced prime because it is at equal distance from previous prime (242772559) and next prime (242772583).

It is a cyclic number.

It is not a de Polignac number, because 242772571 - 2¹⁷ = 242641499 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 242772571.

It is not a weakly prime, because it can be changed into another prime (242772511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121386285 + 121386286.

It is an arithmetic number, because the mean of its divisors is an integer number (121386286).

Almost surely, 2^242772571 is an apocalyptic number.

242772571 is a deficient number, since it is larger than the sum of its proper divisors (1).

242772571 is an equidigital number, since it uses as much as digits as its factorization.

242772571 is an evil number, because the sum of its binary digits is even.

The product of its digits is 54880, while the sum is 37.

The square root of 242772571 is about 15581.1607719066. The cubic root of 242772571 is about 623.8304065672.

The spelling of 242772571 in words is "two hundred forty-two million, seven hundred seventy-two thousand, five hundred seventy-one".