25253969 has 8 divisors (see below), whose sum is σ = 27240192. Its totient is φ = 23274000.

The previous prime is 25253951. The next prime is 25253971. The reversal of 25253969 is 96935252.

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 25253969 - 2⁸ = 25253713 is a prime.

It is a super-2 number, since 2×25253969² = 1275525900505922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25253929) 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, 10094 + ... + 12344.

It is an arithmetic number, because the mean of its divisors is an integer number (3405024).

Almost surely, 2^25253969 is an apocalyptic number.

It is an amenable number.

25253969 is a deficient number, since it is larger than the sum of its proper divisors (1986223).

25253969 is a wasteful number, since it uses less digits than its factorization.

25253969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3127.

The product of its digits is 145800, while the sum is 41.

The square root of 25253969 is about 5025.3327253029. The cubic root of 25253969 is about 293.3885862114.

The spelling of 25253969 in words is "twenty-five million, two hundred fifty-three thousand, nine hundred sixty-nine".