83621625 has 16 divisors (see below), whose sum is σ = 139147008. Its totient is φ = 44598000.

The previous prime is 83621617. The next prime is 83621633. The reversal of 83621625 is 52612638.

It is an interprime number because it is at equal distance from previous prime (83621617) and next prime (83621633).

It is not a de Polignac number, because 83621625 - 2³ = 83621617 is a prime.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 111121 + ... + 111870.

It is an arithmetic number, because the mean of its divisors is an integer number (8696688).

Almost surely, 2^83621625 is an apocalyptic number.

It is an amenable number.

83621625 is a deficient number, since it is larger than the sum of its proper divisors (55525383).

83621625 is a wasteful number, since it uses less digits than its factorization.

83621625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223009 (or 222999 counting only the distinct ones).

The product of its digits is 17280, while the sum is 33.

The square root of 83621625 is about 9144.4860435128. The cubic root of 83621625 is about 437.2933445775.

The spelling of 83621625 in words is "eighty-three million, six hundred twenty-one thousand, six hundred twenty-five".