83613425 has 12 divisors (see below), whose sum is σ = 118492416. Its totient is φ = 57334800.

The previous prime is 83613419. The next prime is 83613427. The reversal of 83613425 is 52431638.

It is not a de Polignac number, because 83613425 - 2¹⁶ = 83547889 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 83613391 and 83613400.

It is not an unprimeable number, because it can be changed into a prime (83613427) 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, 238721 + ... + 239070.

It is an arithmetic number, because the mean of its divisors is an integer number (9874368).

Almost surely, 2^83613425 is an apocalyptic number.

It is an amenable number.

83613425 is a deficient number, since it is larger than the sum of its proper divisors (34878991).

83613425 is a wasteful number, since it uses less digits than its factorization.

83613425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 477808 (or 477803 counting only the distinct ones).

The product of its digits is 17280, while the sum is 32.

The square root of 83613425 is about 9144.0376749005. The cubic root of 83613425 is about 437.2790503378.

The spelling of 83613425 in words is "eighty-three million, six hundred thirteen thousand, four hundred twenty-five".