427532825 has 12 divisors (see below), whose sum is σ = 530397228. Its totient is φ = 341860800.

The previous prime is 427532803. The next prime is 427532827. The reversal of 427532825 is 528235724.

It can be written as a sum of positive squares in 6 ways, for example, as 152868496 + 274664329 = 12364^2 + 16573^2 .

It is not a de Polignac number, because 427532825 - 2⁸ = 427532569 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (427532827) 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, 98399 + ... + 102651.

It is an arithmetic number, because the mean of its divisors is an integer number (44199769).

Almost surely, 2^427532825 is an apocalyptic number.

It is an amenable number.

427532825 is a deficient number, since it is larger than the sum of its proper divisors (102864403).

427532825 is a wasteful number, since it uses less digits than its factorization.

427532825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8284 (or 8279 counting only the distinct ones).

The product of its digits is 134400, while the sum is 38.

The square root of 427532825 is about 20676.8669048287. The cubic root of 427532825 is about 753.3379076436.

The spelling of 427532825 in words is "four hundred twenty-seven million, five hundred thirty-two thousand, eight hundred twenty-five".