152100257 has 4 divisors (see below), whose sum is σ = 152201136. Its totient is φ = 151999380.

The previous prime is 152100217. The next prime is 152100269. The reversal of 152100257 is 752001251.

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: 752001251 = 73 ⋅10301387.

It is a cyclic number.

It is not a de Polignac number, because 152100257 - 2¹⁴ = 152083873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (152100217) 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, 48143 + ... + 51204.

It is an arithmetic number, because the mean of its divisors is an integer number (38050284).

Almost surely, 2^152100257 is an apocalyptic number.

It is an amenable number.

152100257 is a deficient number, since it is larger than the sum of its proper divisors (100879).

152100257 is an equidigital number, since it uses as much as digits as its factorization.

152100257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100878.

The product of its (nonzero) digits is 700, while the sum is 23.

The square root of 152100257 is about 12332.8932939517. The cubic root of 152100257 is about 533.7976398965.

The spelling of 152100257 in words is "one hundred fifty-two million, one hundred thousand, two hundred fifty-seven".