427428525 has 24 divisors (see below), whose sum is σ = 718274464. Its totient is φ = 224222400.

The previous prime is 427428511. The next prime is 427428539. The reversal of 427428525 is 525824724.

It is an interprime number because it is at equal distance from previous prime (427428511) and next prime (427428539).

It is not a de Polignac number, because 427428525 - 2⁵ = 427428493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 42139 + ... + 51288.

Almost surely, 2^427428525 is an apocalyptic number.

It is an amenable number.

427428525 is a deficient number, since it is larger than the sum of its proper divisors (290845939).

427428525 is a wasteful number, since it uses less digits than its factorization.

427428525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93501 (or 93496 counting only the distinct ones).

The product of its digits is 179200, while the sum is 39.

The square root of 427428525 is about 20674.3446087173. The cubic root of 427428525 is about 753.2766417559.

The spelling of 427428525 in words is "four hundred twenty-seven million, four hundred twenty-eight thousand, five hundred twenty-five".