23820625 has 10 divisors (see below), whose sum is σ = 29767034. Its totient is φ = 19056000.

The previous prime is 23820619. The next prime is 23820659. The reversal of 23820625 is 52602832.

It can be written as a sum of positive squares in 5 ways, for example, as 8485569 + 15335056 = 2913^2 + 3916^2 .

It is not a de Polignac number, because 23820625 - 2⁵ = 23820593 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23820593 and 23820602.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 18432 + ... + 19681.

Almost surely, 2^23820625 is an apocalyptic number.

23820625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23820625 is a deficient number, since it is larger than the sum of its proper divisors (5946409).

23820625 is an frugal number, since it uses more digits than its factorization.

23820625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38133 (or 38118 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 23820625 is about 4880.6377657023. The cubic root of 23820625 is about 287.7294953967.

The spelling of 23820625 in words is "twenty-three million, eight hundred twenty thousand, six hundred twenty-five".