83425507 has 6 divisors (see below), whose sum is σ = 91699244. Its totient is φ = 75841260.

The previous prime is 83425493. The next prime is 83425567. The reversal of 83425507 is 70552438.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-83425507 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83425567) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 344613 + ... + 344854.

Almost surely, 2^83425507 is an apocalyptic number.

83425507 is a deficient number, since it is larger than the sum of its proper divisors (8273737).

83425507 is a wasteful number, since it uses less digits than its factorization.

83425507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 689489 (or 689478 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 34.

The square root of 83425507 is about 9133.7564561357. The cubic root of 83425507 is about 436.9512152583.

The spelling of 83425507 in words is "eighty-three million, four hundred twenty-five thousand, five hundred seven".