25344869 has 8 divisors (see below), whose sum is σ = 28602720. Its totient is φ = 22246000.

The previous prime is 25344857. The next prime is 25344871. The reversal of 25344869 is 96844352.

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 25344869 - 2⁴ = 25344853 is a prime.

It is a super-2 number, since 2×25344869² = 1284724769254322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25344469) 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 7 ways as a sum of consecutive naturals, for example, 39407 + ... + 40044.

It is an arithmetic number, because the mean of its divisors is an integer number (3575340).

Almost surely, 2^25344869 is an apocalyptic number.

25344869 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

25344869 is a deficient number, since it is larger than the sum of its proper divisors (3257851).

25344869 is a wasteful number, since it uses less digits than its factorization.

25344869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79491.

The product of its digits is 207360, while the sum is 41.

The square root of 25344869 is about 5034.3687787050. The cubic root of 25344869 is about 293.7401756787.

The spelling of 25344869 in words is "twenty-five million, three hundred forty-four thousand, eight hundred sixty-nine".