125360513 has 4 divisors (see below), whose sum is σ = 125395248. Its totient is φ = 125325780.

The previous prime is 125360507. The next prime is 125360549. The reversal of 125360513 is 315063521.

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: 315063521 = 4789 ⋅65789.

It is a cyclic number.

It is not a de Polignac number, because 125360513 - 2²⁰ = 124311937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125360593) 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, 11231 + ... + 19412.

It is an arithmetic number, because the mean of its divisors is an integer number (31348812).

Almost surely, 2^125360513 is an apocalyptic number.

It is an amenable number.

125360513 is a deficient number, since it is larger than the sum of its proper divisors (34735).

125360513 is an equidigital number, since it uses as much as digits as its factorization.

125360513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34734.

The product of its (nonzero) digits is 2700, while the sum is 26.

The square root of 125360513 is about 11196.4509108914. The cubic root of 125360513 is about 500.4802226248.

The spelling of 125360513 in words is "one hundred twenty-five million, three hundred sixty thousand, five hundred thirteen".