25314251 has 4 divisors (see below), whose sum is σ = 26646600. Its totient is φ = 23981904.

The previous prime is 25314161. The next prime is 25314271. The reversal of 25314251 is 15241352.

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 25314251 - 2²² = 21119947 is a prime.

It is a super-2 number, since 2×25314251² = 1281622607382002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25314271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 666146 + ... + 666183.

It is an arithmetic number, because the mean of its divisors is an integer number (6661650).

Almost surely, 2^25314251 is an apocalyptic number.

25314251 is a deficient number, since it is larger than the sum of its proper divisors (1332349).

25314251 is a wasteful number, since it uses less digits than its factorization.

25314251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1332348.

The product of its digits is 1200, while the sum is 23.

The square root of 25314251 is about 5031.3269621443. The cubic root of 25314251 is about 293.6218432360.

The spelling of 25314251 in words is "twenty-five million, three hundred fourteen thousand, two hundred fifty-one".