152432257 has 2 divisors, whose sum is σ = 152432258. Its totient is φ = 152432256.

The previous prime is 152432213. The next prime is 152432261. The reversal of 152432257 is 752234251.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 79995136 + 72437121 = 8944^2 + 8511^2 .

It is a cyclic number.

It is not a de Polignac number, because 152432257 - 2¹¹ = 152430209 is a prime.

It is a super-2 number, since 2×152432257² = 46471185948228098, which contains 22 as substring.

It is equal to p_8573233 and since 152432257 and 8573233 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (152432297) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76216128 + 76216129.

It is an arithmetic number, because the mean of its divisors is an integer number (76216129).

Almost surely, 2^152432257 is an apocalyptic number.

It is an amenable number.

152432257 is a deficient number, since it is larger than the sum of its proper divisors (1).

152432257 is an equidigital number, since it uses as much as digits as its factorization.

152432257 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16800, while the sum is 31.

The square root of 152432257 is about 12346.3458966611. The cubic root of 152432257 is about 534.1857436204.

The spelling of 152432257 in words is "one hundred fifty-two million, four hundred thirty-two thousand, two hundred fifty-seven".