125152513 has 4 divisors (see below), whose sum is σ = 125175600. Its totient is φ = 125129428.

The previous prime is 125152507. The next prime is 125152523. The reversal of 125152513 is 315251521.

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.

It is a cyclic number.

It is not a de Polignac number, because 125152513 - 2¹³ = 125144321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125152523) 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, 1506 + ... + 15892.

It is an arithmetic number, because the mean of its divisors is an integer number (31293900).

Almost surely, 2^125152513 is an apocalyptic number.

It is an amenable number.

125152513 is a deficient number, since it is larger than the sum of its proper divisors (23087).

125152513 is an equidigital number, since it uses as much as digits as its factorization.

125152513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23086.

The product of its digits is 1500, while the sum is 25.

The square root of 125152513 is about 11187.1583970193. The cubic root of 125152513 is about 500.2032680197.

The spelling of 125152513 in words is "one hundred twenty-five million, one hundred fifty-two thousand, five hundred thirteen".