83366025 has 12 divisors (see below), whose sum is σ = 137831952. Its totient is φ = 44461840.

The previous prime is 83366021. The next prime is 83366027. The reversal of 83366025 is 52066338.

It is not a de Polignac number, because 83366025 - 2² = 83366021 is a prime.

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

It is not an unprimeable number, because it can be changed into a prime (83366021) 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, 555699 + ... + 555848.

It is an arithmetic number, because the mean of its divisors is an integer number (11485996).

Almost surely, 2^83366025 is an apocalyptic number.

It is an amenable number.

83366025 is a deficient number, since it is larger than the sum of its proper divisors (54465927).

83366025 is a wasteful number, since it uses less digits than its factorization.

83366025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1111560 (or 1111555 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 33.

The square root of 83366025 is about 9130.4997125020. The cubic root of 83366025 is about 436.8473425034.

The spelling of 83366025 in words is "eighty-three million, three hundred sixty-six thousand, twenty-five".