425597459 has 4 divisors (see below), whose sum is σ = 486397104. Its totient is φ = 364797816.

The previous prime is 425597453. The next prime is 425597461. The reversal of 425597459 is 954795524.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-425597459 is a prime.

It is a super-2 number, since 2×425597459² = 362266394214513362, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (425597453) 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, 30399812 + ... + 30399825.

It is an arithmetic number, because the mean of its divisors is an integer number (121599276).

Almost surely, 2^425597459 is an apocalyptic number.

425597459 is a deficient number, since it is larger than the sum of its proper divisors (60799645).

425597459 is an equidigital number, since it uses as much as digits as its factorization.

425597459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60799644.

The product of its digits is 2268000, while the sum is 50.

The square root of 425597459 is about 20630.0135482263. The cubic root of 425597459 is about 752.1994452453.

The spelling of 425597459 in words is "four hundred twenty-five million, five hundred ninety-seven thousand, four hundred fifty-nine".