83430425 has 48 divisors (see below), whose sum is σ = 119784000. Its totient is φ = 57127680.

The previous prime is 83430401. The next prime is 83430433. The reversal of 83430425 is 52403438.

It is not a de Polignac number, because 83430425 - 2¹⁴ = 83414041 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 364211 + ... + 364439.

It is an arithmetic number, because the mean of its divisors is an integer number (2495500).

Almost surely, 2^83430425 is an apocalyptic number.

It is an amenable number.

83430425 is a deficient number, since it is larger than the sum of its proper divisors (36353575).

83430425 is a wasteful number, since it uses less digits than its factorization.

With its predecessor (83430424) it forms an eRAP, since the sums of their prime factors are consecutive (329 and 330).

With its predecessor (83430424) it forms a Ruth-Aaron pair, since the sum of their distinct prime factors is the same (325).

83430425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330 (or 325 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 29.

The square root of 83430425 is about 9134.0256732724. The cubic root of 83430425 is about 436.9598012968.

The spelling of 83430425 in words is "eighty-three million, four hundred thirty thousand, four hundred twenty-five".