993425625 has 30 divisors (see below), whose sum is σ = 1793121330. Its totient is φ = 529824000.

The previous prime is 993425593. The next prime is 993425663. The reversal of 993425625 is 526524399.

It can be written as a sum of positive squares in 5 ways, for example, as 621205776 + 372219849 = 24924^2 + 19293^2 .

It is not a de Polignac number, because 993425625 - 2⁵ = 993425593 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 82680 + ... + 93929.

It is an arithmetic number, because the mean of its divisors is an integer number (59770711).

Almost surely, 2^993425625 is an apocalyptic number.

It is an amenable number.

993425625 is a deficient number, since it is larger than the sum of its proper divisors (799695705).

993425625 is a wasteful number, since it uses less digits than its factorization.

993425625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176635 (or 176617 counting only the distinct ones).

The product of its digits is 583200, while the sum is 45.

The square root of 993425625 is about 31518.6551902203. The cubic root of 993425625 is about 997.8037215590.

The spelling of 993425625 in words is "nine hundred ninety-three million, four hundred twenty-five thousand, six hundred twenty-five".