23514415225 has 18 divisors (see below), whose sum is σ = 33918346014. Its totient is φ = 16124169600.

The previous prime is 23514415201. The next prime is 23514415247. The reversal of 23514415225 is 52251441532.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 193460281 + 23320954944 = 13909^2 + 152712^2 .

It is not a de Polignac number, because 23514415225 - 2⁵ = 23514415193 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 9596496 + ... + 9598945.

Almost surely, 2^23514415225 is an apocalyptic number.

23514415225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23514415225 is a deficient number, since it is larger than the sum of its proper divisors (10403930789).

23514415225 is a wasteful number, since it uses less digits than its factorization.

23514415225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19195465 (or 19195453 counting only the distinct ones).

The product of its digits is 48000, while the sum is 34.

Adding to 23514415225 its reverse (52251441532), we get a palindrome (75765856757).

The spelling of 23514415225 in words is "twenty-three billion, five hundred fourteen million, four hundred fifteen thousand, two hundred twenty-five".