425685459 has 16 divisors (see below), whose sum is σ = 589789184. Its totient is φ = 272808000.

The previous prime is 425685437. The next prime is 425685499. The reversal of 425685459 is 954586524.

It is not a de Polignac number, because 425685459 - 2⁵ = 425685427 is a prime.

It is a super-2 number, since 2×425685459² = 362416220008081362, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (425685419) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1114 + ... + 29199.

It is an arithmetic number, because the mean of its divisors is an integer number (36861824).

Almost surely, 2^425685459 is an apocalyptic number.

425685459 is a deficient number, since it is larger than the sum of its proper divisors (164103725).

425685459 is a wasteful number, since it uses less digits than its factorization.

425685459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30498.

The product of its digits is 1728000, while the sum is 48.

The square root of 425685459 is about 20632.1462528744. The cubic root of 425685459 is about 752.2512853022.

The spelling of 425685459 in words is "four hundred twenty-five million, six hundred eighty-five thousand, four hundred fifty-nine".