23532541 has 4 divisors (see below), whose sum is σ = 23560252. Its totient is φ = 23504832.

The previous prime is 23532533. The next prime is 23532547. The reversal of 23532541 is 14523532.

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

It can be written as a sum of positive squares in 2 ways, for example, as 10536516 + 12996025 = 3246^2 + 3605^2 .

It is a cyclic number.

It is not a de Polignac number, because 23532541 - 2³ = 23532533 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23532547) 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, 12540 + ... + 14293.

It is an arithmetic number, because the mean of its divisors is an integer number (5890063).

Almost surely, 2^23532541 is an apocalyptic number.

It is an amenable number.

23532541 is a deficient number, since it is larger than the sum of its proper divisors (27711).

23532541 is an equidigital number, since it uses as much as digits as its factorization.

23532541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27710.

The product of its digits is 3600, while the sum is 25.

The square root of 23532541 is about 4851.0350441942. The cubic root of 23532541 is about 286.5648648497.

Subtracting from 23532541 its reverse (14523532), we obtain a palindrome (9009009).

The spelling of 23532541 in words is "twenty-three million, five hundred thirty-two thousand, five hundred forty-one".