25315271 has 8 divisors (see below), whose sum is σ = 25634880. Its totient is φ = 24997888.

The previous prime is 25315253. The next prime is 25315273. The reversal of 25315271 is 17251352.

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 25315271 - 2¹⁴ = 25298887 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 25315271.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25315273) 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, 34850 + ... + 35568.

It is an arithmetic number, because the mean of its divisors is an integer number (3204360).

Almost surely, 2^25315271 is an apocalyptic number.

25315271 is a deficient number, since it is larger than the sum of its proper divisors (319609).

25315271 is a wasteful number, since it uses less digits than its factorization.

25315271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1113.

The product of its digits is 2100, while the sum is 26.

The square root of 25315271 is about 5031.4283260323. The cubic root of 25315271 is about 293.6257868678.

The spelling of 25315271 in words is "twenty-five million, three hundred fifteen thousand, two hundred seventy-one".