25045271 has 4 divisors (see below), whose sum is σ = 25078944. Its totient is φ = 25011600.

The previous prime is 25045259. The next prime is 25045283. The reversal of 25045271 is 17254052.

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

It is an interprime number because it is at equal distance from previous prime (25045259) and next prime (25045283).

It is a cyclic number.

It is not a de Polignac number, because 25045271 - 2²² = 20850967 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 25045271.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25045571) 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, 15695 + ... + 17216.

It is an arithmetic number, because the mean of its divisors is an integer number (6269736).

Almost surely, 2^25045271 is an apocalyptic number.

25045271 is a deficient number, since it is larger than the sum of its proper divisors (33673).

25045271 is an equidigital number, since it uses as much as digits as its factorization.

25045271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33672.

The product of its (nonzero) digits is 2800, while the sum is 26.

The square root of 25045271 is about 5004.5250523901. The cubic root of 25045271 is about 292.5781650014.

The spelling of 25045271 in words is "twenty-five million, forty-five thousand, two hundred seventy-one".