152670257 has 4 divisors (see below), whose sum is σ = 157595136. Its totient is φ = 147745380.

The previous prime is 152670247. The next prime is 152670281. The reversal of 152670257 is 752076251.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 752076251 = 10687 ⋅70373.

It is not a de Polignac number, because 152670257 - 2¹⁰ = 152669233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (152670247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2462393 + ... + 2462454.

It is an arithmetic number, because the mean of its divisors is an integer number (39398784).

Almost surely, 2^152670257 is an apocalyptic number.

It is an amenable number.

152670257 is a deficient number, since it is larger than the sum of its proper divisors (4924879).

152670257 is an equidigital number, since it uses as much as digits as its factorization.

152670257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4924878.

The product of its (nonzero) digits is 29400, while the sum is 35.

The square root of 152670257 is about 12355.9806166892. The cubic root of 152670257 is about 534.4636159002.

The spelling of 152670257 in words is "one hundred fifty-two million, six hundred seventy thousand, two hundred fifty-seven".