25281151 has 16 divisors (see below), whose sum is σ = 30117888. Its totient is φ = 20764800.

The previous prime is 25281149. The next prime is 25281169. The reversal of 25281151 is 15118252.

It is not a de Polignac number, because 25281151 - 2¹ = 25281149 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 (25281121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24006 + ... + 25036.

It is an arithmetic number, because the mean of its divisors is an integer number (1882368).

Almost surely, 2^25281151 is an apocalyptic number.

25281151 is a deficient number, since it is larger than the sum of its proper divisors (4836737).

25281151 is a wasteful number, since it uses less digits than its factorization.

25281151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1182.

The product of its digits is 800, while the sum is 25.

The square root of 25281151 is about 5028.0364954921. The cubic root of 25281151 is about 293.4938109784.

The spelling of 25281151 in words is "twenty-five million, two hundred eighty-one thousand, one hundred fifty-one".