23525471 has 4 divisors (see below), whose sum is σ = 23572200. Its totient is φ = 23478744.

The previous prime is 23525449. The next prime is 23525473. The reversal of 23525471 is 17452532.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23525471 is a prime.

It is a super-3 number, since 3×23525471³ (a number of 23 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23525473) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22601 + ... + 23618.

It is an arithmetic number, because the mean of its divisors is an integer number (5893050).

Almost surely, 2^23525471 is an apocalyptic number.

23525471 is a deficient number, since it is larger than the sum of its proper divisors (46729).

23525471 is an equidigital number, since it uses as much as digits as its factorization.

23525471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46728.

The product of its digits is 8400, while the sum is 29.

The square root of 23525471 is about 4850.3062789890. The cubic root of 23525471 is about 286.5361639326.

The spelling of 23525471 in words is "twenty-three million, five hundred twenty-five thousand, four hundred seventy-one".