25441431253 has 8 divisors (see below), whose sum is σ = 29078558208. Its totient is φ = 21804963504.

The previous prime is 25441431251. The next prime is 25441431263. The reversal of 25441431253 is 35213414452.

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

It is a cyclic number.

It is not a de Polignac number, because 25441431253 - 2¹ = 25441431251 is a prime.

It is a super-2 number, since 2×25441431253² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25441431251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79126 + ... + 239047.

It is an arithmetic number, because the mean of its divisors is an integer number (3634819776).

Almost surely, 2^25441431253 is an apocalyptic number.

It is an amenable number.

25441431253 is a deficient number, since it is larger than the sum of its proper divisors (3637126955).

25441431253 is a wasteful number, since it uses less digits than its factorization.

25441431253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329603.

The product of its digits is 57600, while the sum is 34.

The spelling of 25441431253 in words is "twenty-five billion, four hundred forty-one million, four hundred thirty-one thousand, two hundred fifty-three".