25125271 has 4 divisors (see below), whose sum is σ = 25163944. Its totient is φ = 25086600.

The previous prime is 25125259. The next prime is 25125293. The reversal of 25125271 is 17252152.

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

It is a cyclic number.

It is not a de Polignac number, because 25125271 - 2¹⁵ = 25092503 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 (25125071) 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, 18345 + ... + 19666.

It is an arithmetic number, because the mean of its divisors is an integer number (6290986).

Almost surely, 2^25125271 is an apocalyptic number.

25125271 is a deficient number, since it is larger than the sum of its proper divisors (38673).

25125271 is an equidigital number, since it uses as much as digits as its factorization.

25125271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38672.

The product of its digits is 1400, while the sum is 25.

The square root of 25125271 is about 5012.5114463710. The cubic root of 25125271 is about 292.8893531666.

The spelling of 25125271 in words is "twenty-five million, one hundred twenty-five thousand, two hundred seventy-one".