425576239 has 18 divisors (see below), whose sum is σ = 475959120. Its totient is φ = 380179800.

The previous prime is 425576237. The next prime is 425576251. The reversal of 425576239 is 932675524.

It is not a de Polignac number, because 425576239 - 2¹ = 425576237 is a prime.

It is a super-2 number, since 2×425576239² = 362230270402770242, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 425576195 and 425576204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425576233) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 2016844 + ... + 2017054.

Almost surely, 2^425576239 is an apocalyptic number.

425576239 is a deficient number, since it is larger than the sum of its proper divisors (50382881).

425576239 is an equidigital number, since it uses as much as digits as its factorization.

425576239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 523 (or 301 counting only the distinct ones).

The product of its digits is 453600, while the sum is 43.

The square root of 425576239 is about 20629.4992425895. The cubic root of 425576239 is about 752.1869436532.

The spelling of 425576239 in words is "four hundred twenty-five million, five hundred seventy-six thousand, two hundred thirty-nine".