23825151 has 32 divisors (see below), whose sum is σ = 41441280. Its totient is φ = 13242528.

The previous prime is 23825129. The next prime is 23825159. The reversal of 23825151 is 15152832.

It is a happy number.

It is not a de Polignac number, because 23825151 - 2⁹ = 23824639 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23825159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5290 + ... + 8696.

It is an arithmetic number, because the mean of its divisors is an integer number (1295040).

Almost surely, 2^23825151 is an apocalyptic number.

23825151 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

23825151 is a deficient number, since it is larger than the sum of its proper divisors (17616129).

23825151 is a wasteful number, since it uses less digits than its factorization.

23825151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3460 (or 3454 counting only the distinct ones).

The product of its digits is 2400, while the sum is 27.

The square root of 23825151 is about 4881.1014125912. The cubic root of 23825151 is about 287.7477174378.

Adding to 23825151 its reverse (15152832), we get a palindrome (38977983).

The spelling of 23825151 in words is "twenty-three million, eight hundred twenty-five thousand, one hundred fifty-one".