23451225 has 48 divisors (see below), whose sum is σ = 46663680. Its totient is φ = 10152000.

The previous prime is 23451223. The next prime is 23451257. The reversal of 23451225 is 52215432.

23451225 is nontrivially palindromic in base 8.

It is not a de Polignac number, because 23451225 - 2¹ = 23451223 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23451195 and 23451204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23451223) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8800 + ... + 11150.

It is an arithmetic number, because the mean of its divisors is an integer number (972160).

Almost surely, 2^23451225 is an apocalyptic number.

23451225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23451225 is a deficient number, since it is larger than the sum of its proper divisors (23212455).

23451225 is a wasteful number, since it uses less digits than its factorization.

23451225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2390 (or 2385 counting only the distinct ones).

The product of its digits is 2400, while the sum is 24.

The square root of 23451225 is about 4842.6464872010. The cubic root of 23451225 is about 286.2344117926.

Adding to 23451225 its reverse (52215432), we get a palindrome (75666657).

It can be divided in two parts, 2345 and 1225, that added together give a triangular number (3570 = T₈₄).

The spelling of 23451225 in words is "twenty-three million, four hundred fifty-one thousand, two hundred twenty-five".