25265225233 has 4 divisors (see below), whose sum is σ = 25278687540. Its totient is φ = 25251762928.

The previous prime is 25265225231. The next prime is 25265225261. The reversal of 25265225233 is 33252256252.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 14924775889 + 10340449344 = 122167^2 + 101688^2 .

It is a cyclic number.

It is not a de Polignac number, because 25265225233 - 2¹ = 25265225231 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25265225192 and 25265225201.

It is not an unprimeable number, because it can be changed into a prime (25265225231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6728338 + ... + 6732091.

It is an arithmetic number, because the mean of its divisors is an integer number (6319671885).

Almost surely, 2^25265225233 is an apocalyptic number.

It is an amenable number.

25265225233 is a deficient number, since it is larger than the sum of its proper divisors (13462307).

25265225233 is a wasteful number, since it uses less digits than its factorization.

25265225233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13462306.

The product of its digits is 216000, while the sum is 37.

It can be divided in two parts, 252652 and 25233, that added together give a triangular number (277885 = T₇₄₅).

The spelling of 25265225233 in words is "twenty-five billion, two hundred sixty-five million, two hundred twenty-five thousand, two hundred thirty-three".