25164314351 has 4 divisors (see below), whose sum is σ = 27451979304. Its totient is φ = 22876649400.

The previous prime is 25164314347. The next prime is 25164314429. The reversal of 25164314351 is 15341346152.

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

It is not a de Polignac number, because 25164314351 - 2² = 25164314347 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 (25164310351) 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, 1143832460 + ... + 1143832481.

It is an arithmetic number, because the mean of its divisors is an integer number (6862994826).

Almost surely, 2^25164314351 is an apocalyptic number.

25164314351 is a deficient number, since it is larger than the sum of its proper divisors (2287664953).

25164314351 is a wasteful number, since it uses less digits than its factorization.

25164314351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2287664952.

The product of its digits is 43200, while the sum is 35.

The spelling of 25164314351 in words is "twenty-five billion, one hundred sixty-four million, three hundred fourteen thousand, three hundred fifty-one".