624125013 has 4 divisors (see below), whose sum is σ = 832166688. Its totient is φ = 416083340.

The previous prime is 624124981. The next prime is 624125017. The reversal of 624125013 is 310521426.

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 624125013 - 2⁵ = 624124981 is a prime.

It is a super-3 number, since 3×624125013³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (624125017) 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, 104020833 + ... + 104020838.

It is an arithmetic number, because the mean of its divisors is an integer number (208041672).

Almost surely, 2^624125013 is an apocalyptic number.

It is an amenable number.

624125013 is a deficient number, since it is larger than the sum of its proper divisors (208041675).

624125013 is a wasteful number, since it uses less digits than its factorization.

624125013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208041674.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 624125013 is about 24982.4941308909. The cubic root of 624125013 is about 854.5887985419.

Adding to 624125013 its reverse (310521426), we get a palindrome (934646439).

The spelling of 624125013 in words is "six hundred twenty-four million, one hundred twenty-five thousand, thirteen".