83610725 has 12 divisors (see below), whose sum is σ = 113102880. Its totient is φ = 60807600.

The previous prime is 83610679. The next prime is 83610731. The reversal of 83610725 is 52701638.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-83610725 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a junction number, because it is equal to n+sod(n) for n = 83610691 and 83610700.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 151745 + ... + 152294.

It is an arithmetic number, because the mean of its divisors is an integer number (9425240).

Almost surely, 2^83610725 is an apocalyptic number.

It is an amenable number.

83610725 is a deficient number, since it is larger than the sum of its proper divisors (29492155).

83610725 is a wasteful number, since it uses less digits than its factorization.

83610725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304060 (or 304055 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 83610725 is about 9143.8900365217. The cubic root of 83610725 is about 437.2743434934.

The spelling of 83610725 in words is "eighty-three million, six hundred ten thousand, seven hundred twenty-five".