23152525 has 12 divisors (see below), whose sum is σ = 31319424. Its totient is φ = 16838000.

The previous prime is 23152523. The next prime is 23152543. The reversal of 23152525 is 52525132.

It is a happy number.

It is not a de Polignac number, because 23152525 - 2¹ = 23152523 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23152525.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23152523) 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, 41821 + ... + 42370.

It is an arithmetic number, because the mean of its divisors is an integer number (2609952).

Almost surely, 2^23152525 is an apocalyptic number.

23152525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23152525 is a deficient number, since it is larger than the sum of its proper divisors (8166899).

23152525 is a wasteful number, since it uses less digits than its factorization.

23152525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84212 (or 84207 counting only the distinct ones).

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

The square root of 23152525 is about 4811.7070775350. The cubic root of 23152525 is about 285.0139523281.

Adding to 23152525 its reverse (52525132), we get a palindrome (75677657).

The spelling of 23152525 in words is "twenty-three million, one hundred fifty-two thousand, five hundred twenty-five".