25253381 has 8 divisors (see below), whose sum is σ = 26933760. Its totient is φ = 23594688.

The previous prime is 25253369. The next prime is 25253399. The reversal of 25253381 is 18335252.

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 25253381 - 2¹⁸ = 24991237 is a prime.

It is a super-2 number, since 2×25253381² = 1275466503862322, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25253311) 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, 2981 + ... + 7706.

It is an arithmetic number, because the mean of its divisors is an integer number (3366720).

Almost surely, 2^25253381 is an apocalyptic number.

It is an amenable number.

25253381 is a deficient number, since it is larger than the sum of its proper divisors (1680379).

25253381 is a wasteful number, since it uses less digits than its factorization.

25253381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10843.

The product of its digits is 7200, while the sum is 29.

The square root of 25253381 is about 5025.2742213734. The cubic root of 25253381 is about 293.3863091591.

The spelling of 25253381 in words is "twenty-five million, two hundred fifty-three thousand, three hundred eighty-one".