83311425 has 72 divisors (see below), whose sum is σ = 156041600. Its totient is φ = 42456960.

The previous prime is 83311391. The next prime is 83311427. The reversal of 83311425 is 52411338.

It is a happy number.

It is not a de Polignac number, because 83311425 - 2⁷ = 83311297 is a prime.

It is not an unprimeable number, because it can be changed into a prime (83311427) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 764271 + ... + 764379.

Almost surely, 2^83311425 is an apocalyptic number.

It is an amenable number.

83311425 is a deficient number, since it is larger than the sum of its proper divisors (72730175).

83311425 is a wasteful number, since it uses less digits than its factorization.

83311425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247 (or 239 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 83311425 is about 9127.5092440380. The cubic root of 83311425 is about 436.7519516293.

The spelling of 83311425 in words is "eighty-three million, three hundred eleven thousand, four hundred twenty-five".