23251552 has 12 divisors (see below), whose sum is σ = 45776556. Its totient is φ = 11625760.

The previous prime is 23251549. The next prime is 23251559. The reversal of 23251552 is 25515232.

It is a happy number.

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23251559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 363274 + ... + 363337.

It is an arithmetic number, because the mean of its divisors is an integer number (3814713).

Almost surely, 2^23251552 is an apocalyptic number.

It is an amenable number.

23251552 is a deficient number, since it is larger than the sum of its proper divisors (22525004).

23251552 is an equidigital number, since it uses as much as digits as its factorization.

23251552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 726621 (or 726613 counting only the distinct ones).

The product of its digits is 3000, while the sum is 25.

The square root of 23251552 is about 4821.9863127139. The cubic root of 23251552 is about 285.4197242313.

Adding to 23251552 its reverse (25515232), we get a palindrome (48766784).

The spelling of 23251552 in words is "twenty-three million, two hundred fifty-one thousand, five hundred fifty-two".