25454231 has 8 divisors (see below), whose sum is σ = 27856128. Its totient is φ = 23067000.

The previous prime is 25454227. The next prime is 25454249. The reversal of 25454231 is 13245452.

It is a happy number.

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

It is not a de Polignac number, because 25454231 - 2² = 25454227 is a prime.

It is a super-2 number, since 2×25454231² = 1295835751602722, which contains 22 as substring.

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 25454231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25454201) 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, 146 + ... + 7136.

It is an arithmetic number, because the mean of its divisors is an integer number (3482016).

Almost surely, 2^25454231 is an apocalyptic number.

25454231 is a deficient number, since it is larger than the sum of its proper divisors (2401897).

25454231 is a wasteful number, since it uses less digits than its factorization.

25454231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7333.

The product of its digits is 4800, while the sum is 26.

The square root of 25454231 is about 5045.2186275721. The cubic root of 25454231 is about 294.1620614519.

Adding to 25454231 its reverse (13245452), we get a palindrome (38699683).

It can be divided in two parts, 2545 and 4231, that added together give a palindrome (6776).

The spelling of 25454231 in words is "twenty-five million, four hundred fifty-four thousand, two hundred thirty-one".