572242157 has 2 divisors, whose sum is σ = 572242158. Its totient is φ = 572242156.

The previous prime is 572242141. The next prime is 572242163. The reversal of 572242157 is 751242275.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 552297001 + 19945156 = 23501^2 + 4466^2 .

It is a cyclic number.

It is not a de Polignac number, because 572242157 - 2⁴ = 572242141 is a prime.

It is a super-2 number, since 2×572242157² = 654922172496025298, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (572272157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 286121078 + 286121079.

It is an arithmetic number, because the mean of its divisors is an integer number (286121079).

Almost surely, 2^572242157 is an apocalyptic number.

It is an amenable number.

572242157 is a deficient number, since it is larger than the sum of its proper divisors (1).

572242157 is an equidigital number, since it uses as much as digits as its factorization.

572242157 is an evil number, because the sum of its binary digits is even.

The product of its digits is 39200, while the sum is 35.

The square root of 572242157 is about 23921.5834969176. The cubic root of 572242157 is about 830.2201752945.

The spelling of 572242157 in words is "five hundred seventy-two million, two hundred forty-two thousand, one hundred fifty-seven".