23454525 has 12 divisors (see below), whose sum is σ = 38778272. Its totient is φ = 12509040.

The previous prime is 23454521. The next prime is 23454527. The reversal of 23454525 is 52545432.

It is not a de Polignac number, because 23454525 - 2² = 23454521 is a prime.

It is a super-2 number, since 2×23454525² = 1100229485951250, which contains 22 as substring.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

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

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23454492 and 23454501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23454521) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 156289 + ... + 156438.

Almost surely, 2^23454525 is an apocalyptic number.

23454525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23454525 is a deficient number, since it is larger than the sum of its proper divisors (15323747).

23454525 is a wasteful number, since it uses less digits than its factorization.

23454525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312740 (or 312735 counting only the distinct ones).

The product of its digits is 24000, while the sum is 30.

The square root of 23454525 is about 4842.9871980008. The cubic root of 23454525 is about 286.2478372357.

Adding to 23454525 its reverse (52545432), we get a palindrome (75999957).

The spelling of 23454525 in words is "twenty-three million, four hundred fifty-four thousand, five hundred twenty-five".