625346239 has 4 divisors (see below), whose sum is σ = 714681424. Its totient is φ = 536011056.

The previous prime is 625346231. The next prime is 625346261. The reversal of 625346239 is 932643526.

625346239 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 932643526 = 2 ⋅466321763.

It is not a de Polignac number, because 625346239 - 2³ = 625346231 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (625346231) 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, 44667582 + ... + 44667595.

It is an arithmetic number, because the mean of its divisors is an integer number (178670356).

Almost surely, 2^625346239 is an apocalyptic number.

625346239 is a deficient number, since it is larger than the sum of its proper divisors (89335185).

625346239 is an equidigital number, since it uses as much as digits as its factorization.

625346239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89335184.

The product of its digits is 233280, while the sum is 40.

The square root of 625346239 is about 25006.9238212140. The cubic root of 625346239 is about 855.1458269557.

The spelling of 625346239 in words is "six hundred twenty-five million, three hundred forty-six thousand, two hundred thirty-nine".