152897231 has 2 divisors, whose sum is σ = 152897232. Its totient is φ = 152897230.

The previous prime is 152897197. The next prime is 152897257. The reversal of 152897231 is 132798251.

152897231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-152897231 is a prime.

It is a super-2 number, since 2×152897231² = 46755126494934722, 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 (152897281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76448615 + 76448616.

It is an arithmetic number, because the mean of its divisors is an integer number (76448616).

Almost surely, 2^152897231 is an apocalyptic number.

152897231 is a deficient number, since it is larger than the sum of its proper divisors (1).

152897231 is an equidigital number, since it uses as much as digits as its factorization.

152897231 is an evil number, because the sum of its binary digits is even.

The product of its digits is 30240, while the sum is 38.

The square root of 152897231 is about 12365.1619884254. The cubic root of 152897231 is about 534.7283460887.

The spelling of 152897231 in words is "one hundred fifty-two million, eight hundred ninety-seven thousand, two hundred thirty-one".