427885025 has 12 divisors (see below), whose sum is σ = 530855532. Its totient is φ = 342128640.

The previous prime is 427885021. The next prime is 427885027. The reversal of 427885025 is 520588724.

It can be written as a sum of positive squares in 6 ways, for example, as 24196561 + 403688464 = 4919^2 + 20092^2 .

It is not a de Polignac number, because 427885025 - 2² = 427885021 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (427885021) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 65717 + ... + 71933.

It is an arithmetic number, because the mean of its divisors is an integer number (44237961).

Almost surely, 2^427885025 is an apocalyptic number.

It is an amenable number.

427885025 is a deficient number, since it is larger than the sum of its proper divisors (102970507).

427885025 is a wasteful number, since it uses less digits than its factorization.

427885025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8980 (or 8975 counting only the distinct ones).

The product of its (nonzero) digits is 179200, while the sum is 41.

The square root of 427885025 is about 20685.3819157394. The cubic root of 427885025 is about 753.5447165487.

The spelling of 427885025 in words is "four hundred twenty-seven million, eight hundred eighty-five thousand, twenty-five".