25342241263 has 4 divisors (see below), whose sum is σ = 25428733848. Its totient is φ = 25255748680.

The previous prime is 25342241257. The next prime is 25342241291. The reversal of 25342241263 is 36214224352.

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

It is a cyclic number.

It is not a de Polignac number, because 25342241263 - 2⁹ = 25342240751 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 (25342241233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43245853 + ... + 43246438.

It is an arithmetic number, because the mean of its divisors is an integer number (6357183462).

Almost surely, 2^25342241263 is an apocalyptic number.

25342241263 is a deficient number, since it is larger than the sum of its proper divisors (86492585).

25342241263 is an equidigital number, since it uses as much as digits as its factorization.

25342241263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86492584.

The product of its digits is 69120, while the sum is 34.

The spelling of 25342241263 in words is "twenty-five billion, three hundred forty-two million, two hundred forty-one thousand, two hundred sixty-three".