816107325 has 48 divisors (see below), whose sum is σ = 1478476800. Its totient is φ = 393937600.

The previous prime is 816107309. The next prime is 816107351. The reversal of 816107325 is 523701618.

It is not a de Polignac number, because 816107325 - 2⁴ = 816107309 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a Curzon number.

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, 195106 + ... + 199244.

It is an arithmetic number, because the mean of its divisors is an integer number (30801600).

Almost surely, 2^816107325 is an apocalyptic number.

It is an amenable number.

816107325 is a deficient number, since it is larger than the sum of its proper divisors (662369475).

816107325 is a wasteful number, since it uses less digits than its factorization.

816107325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4402 (or 4397 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 33.

The square root of 816107325 is about 28567.5922156558. The cubic root of 816107325 is about 934.5067126398.

The spelling of 816107325 in words is "eight hundred sixteen million, one hundred seven thousand, three hundred twenty-five".