25625271 has 8 divisors (see below), whose sum is σ = 39048064. Its totient is φ = 14643000.

The previous prime is 25625269. The next prime is 25625297. The reversal of 25625271 is 17252652.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 25625271 - 2¹ = 25625269 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 (25625221) 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, 610105 + ... + 610146.

It is an arithmetic number, because the mean of its divisors is an integer number (4881008).

Almost surely, 2^25625271 is an apocalyptic number.

25625271 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

25625271 is a deficient number, since it is larger than the sum of its proper divisors (13422793).

25625271 is a wasteful number, since it uses less digits than its factorization.

25625271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1220261.

The product of its digits is 8400, while the sum is 30.

The square root of 25625271 is about 5062.1409502304. The cubic root of 25625271 is about 294.8194662897.

The spelling of 25625271 in words is "twenty-five million, six hundred twenty-five thousand, two hundred seventy-one".