23475825 has 30 divisors (see below), whose sum is σ = 43489094. Its totient is φ = 12519360.

The previous prime is 23475787. The next prime is 23475833. The reversal of 23475825 is 52857432.

It can be written as a sum of positive squares in 3 ways, for example, as 6036849 + 17438976 = 2457^2 + 4176^2 .

It is not a de Polignac number, because 23475825 - 2¹² = 23471729 is a prime.

It is a super-2 number, since 2×23475825² = 1102228718861250, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 23475825.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 3772 + ... + 7821.

Almost surely, 2^23475825 is an apocalyptic number.

23475825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23475825 is a deficient number, since it is larger than the sum of its proper divisors (20013269).

23475825 is a wasteful number, since it uses less digits than its factorization.

23475825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11615 (or 11601 counting only the distinct ones).

The product of its digits is 67200, while the sum is 36.

The square root of 23475825 is about 4845.1857549531. The cubic root of 23475825 is about 286.3344620866.

The spelling of 23475825 in words is "twenty-three million, four hundred seventy-five thousand, eight hundred twenty-five".