25344425 has 12 divisors (see below), whose sum is σ = 31898256. Its totient is φ = 19971600.

The previous prime is 25344419. The next prime is 25344427. The reversal of 25344425 is 52444352.

It is not a de Polignac number, because 25344425 - 2⁴ = 25344409 is a prime.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25344427) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5891 + ... + 9240.

It is an arithmetic number, because the mean of its divisors is an integer number (2658188).

Almost surely, 2^25344425 is an apocalyptic number.

25344425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25344425 is a deficient number, since it is larger than the sum of its proper divisors (6553831).

25344425 is a wasteful number, since it uses less digits than its factorization.

25344425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15208 (or 15203 counting only the distinct ones).

The product of its digits is 19200, while the sum is 29.

The square root of 25344425 is about 5034.3246816231. The cubic root of 25344425 is about 293.7384603887.

Adding to 25344425 its reverse (52444352), we get a palindrome (77788777).

The spelling of 25344425 in words is "twenty-five million, three hundred forty-four thousand, four hundred twenty-five".