23757598225 has 27 divisors (see below), whose sum is σ = 30539022033. Its totient is φ = 18333433440.

The previous prime is 23757598187. The next prime is 23757598231. The reversal of 23757598225 is 52289575732.

The square root of 23757598225 is 154135.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 326561041 + 23431037184 = 18071^2 + 153072^2 .

It is not a de Polignac number, because 23757598225 - 2⁷ = 23757598097 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 22349044 + ... + 22350106.

Almost surely, 2^23757598225 is an apocalyptic number.

23757598225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

23757598225 is the 154135-th square number.

23757598225 is the 77068-th centered octagonal number.

It is an amenable number.

23757598225 is a deficient number, since it is larger than the sum of its proper divisors (6781423808).

23757598225 is an frugal number, since it uses more digits than its factorization.

23757598225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2194 (or 1097 counting only the distinct ones).

The product of its digits is 10584000, while the sum is 55.

The spelling of 23757598225 in words is "twenty-three billion, seven hundred fifty-seven million, five hundred ninety-eight thousand, two hundred twenty-five".