84665425 has 24 divisors (see below), whose sum is σ = 119020160. Its totient is φ = 59227200.

The previous prime is 84665359. The next prime is 84665429. The reversal of 84665425 is 52456648.

It is not a de Polignac number, because 84665425 - 2¹⁹ = 84141137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (84665429) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 681 + ... + 13030.

Almost surely, 2^84665425 is an apocalyptic number.

It is an amenable number.

84665425 is a deficient number, since it is larger than the sum of its proper divisors (34354735).

84665425 is a wasteful number, since it uses less digits than its factorization.

84665425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13753 (or 13748 counting only the distinct ones).

The product of its digits is 230400, while the sum is 40.

The square root of 84665425 is about 9201.3816897246. The cubic root of 84665425 is about 439.1053187261.

The spelling of 84665425 in words is "eighty-four million, six hundred sixty-five thousand, four hundred twenty-five".