25254281 has 8 divisors (see below), whose sum is σ = 27236160. Its totient is φ = 23278032.

The previous prime is 25254263. The next prime is 25254283. The reversal of 25254281 is 18245252.

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 25254281 - 2⁶ = 25254217 is a prime.

It is a super-2 number, since 2×25254281² = 1275557417653922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25254283) 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, 15596 + ... + 17138.

It is an arithmetic number, because the mean of its divisors is an integer number (3404520).

Almost surely, 2^25254281 is an apocalyptic number.

It is an amenable number.

25254281 is a deficient number, since it is larger than the sum of its proper divisors (1981879).

25254281 is a wasteful number, since it uses less digits than its factorization.

25254281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2815.

The product of its digits is 6400, while the sum is 29.

The square root of 25254281 is about 5025.3637679277. The cubic root of 25254281 is about 293.3897944289.

The spelling of 25254281 in words is "twenty-five million, two hundred fifty-four thousand, two hundred eighty-one".