25442223253 has 16 divisors (see below), whose sum is σ = 26348682240. Its totient is φ = 24552544896.

The previous prime is 25442223251. The next prime is 25442223259. The reversal of 25442223253 is 35232224452.

It is a cyclic number.

It is not a de Polignac number, because 25442223253 - 2¹ = 25442223251 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25442223251) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1526875 + ... + 1543447.

It is an arithmetic number, because the mean of its divisors is an integer number (1646792640).

Almost surely, 2^25442223253 is an apocalyptic number.

It is an amenable number.

25442223253 is a deficient number, since it is larger than the sum of its proper divisors (906458987).

25442223253 is a wasteful number, since it uses less digits than its factorization.

25442223253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17076.

The product of its digits is 115200, while the sum is 34.

The spelling of 25442223253 in words is "twenty-five billion, four hundred forty-two million, two hundred twenty-three thousand, two hundred fifty-three".