2425309239 has 4 divisors (see below), whose sum is σ = 3233745656. Its totient is φ = 1616872824.

The previous prime is 2425309231. The next prime is 2425309253. The reversal of 2425309239 is 9329035242.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2425309239 - 2³ = 2425309231 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2425309197 and 2425309206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2425309231) 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, 404218204 + ... + 404218209.

It is an arithmetic number, because the mean of its divisors is an integer number (808436414).

Almost surely, 2^2425309239 is an apocalyptic number.

2425309239 is a deficient number, since it is larger than the sum of its proper divisors (808436417).

2425309239 is an equidigital number, since it uses as much as digits as its factorization.

2425309239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 808436416.

The product of its (nonzero) digits is 116640, while the sum is 39.

The square root of 2425309239 is about 49247.4287552152. The cubic root of 2425309239 is about 1343.5557968373. Note that the first 3 decimals are identical.

The spelling of 2425309239 in words is "two billion, four hundred twenty-five million, three hundred nine thousand, two hundred thirty-nine".