25151151253 has 4 divisors (see below), whose sum is σ = 25164770400. Its totient is φ = 25137532108.

The previous prime is 25151151217. The next prime is 25151151271. The reversal of 25151151253 is 35215115152.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25151151253 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 (25151151293) 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, 6806803 + ... + 6810496.

It is an arithmetic number, because the mean of its divisors is an integer number (6291192600).

Almost surely, 2^25151151253 is an apocalyptic number.

It is an amenable number.

25151151253 is a deficient number, since it is larger than the sum of its proper divisors (13619147).

25151151253 is a wasteful number, since it uses less digits than its factorization.

25151151253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13619146.

The product of its digits is 7500, while the sum is 31.

The spelling of 25151151253 in words is "twenty-five billion, one hundred fifty-one million, one hundred fifty-one thousand, two hundred fifty-three".