25522749253 has 8 divisors (see below), whose sum is σ = 25629447168. Its totient is φ = 25416156624.

The previous prime is 25522749233. The next prime is 25522749299. The reversal of 25522749253 is 35294722552.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25522749253 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 (25522749223) 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 7 ways as a sum of consecutive naturals, for example, 479700 + ... + 530242.

It is an arithmetic number, because the mean of its divisors is an integer number (3203680896).

Almost surely, 2^25522749253 is an apocalyptic number.

It is an amenable number.

25522749253 is a deficient number, since it is larger than the sum of its proper divisors (106697915).

25522749253 is a wasteful number, since it uses less digits than its factorization.

25522749253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52643.

The product of its digits is 1512000, while the sum is 46.

The spelling of 25522749253 in words is "twenty-five billion, five hundred twenty-two million, seven hundred forty-nine thousand, two hundred fifty-three".