427591825 has 12 divisors (see below), whose sum is σ = 530666928. Its totient is φ = 341781200.

The previous prime is 427591807. The next prime is 427591841. The reversal of 427591825 is 528195724.

It is not a de Polignac number, because 427591825 - 2⁹ = 427591313 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25410 + ... + 38740.

It is an arithmetic number, because the mean of its divisors is an integer number (44222244).

Almost surely, 2^427591825 is an apocalyptic number.

It is an amenable number.

427591825 is a deficient number, since it is larger than the sum of its proper divisors (103075103).

427591825 is a wasteful number, since it uses less digits than its factorization.

427591825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14624 (or 14619 counting only the distinct ones).

The product of its digits is 201600, while the sum is 43.

The square root of 427591825 is about 20678.2935707954. The cubic root of 427591825 is about 753.3725598695.

It can be divided in two parts, 4275 and 91825, that added together give a square (96100 = 310²).

The spelling of 427591825 in words is "four hundred twenty-seven million, five hundred ninety-one thousand, eight hundred twenty-five".