25704381 has 8 divisors (see below), whose sum is σ = 35198944. Its totient is φ = 16673040.

The previous prime is 25704379. The next prime is 25704383. The reversal of 25704381 is 18340752.

It is an interprime number because it is at equal distance from previous prime (25704379) and next prime (25704383).

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

It is not a de Polignac number, because 25704381 - 2¹ = 25704379 is a prime.

It is a super-2 number, since 2×25704381² = 1321430405186322, 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 (25704383) 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, 115675 + ... + 115896.

It is an arithmetic number, because the mean of its divisors is an integer number (4399868).

Almost surely, 2^25704381 is an apocalyptic number.

It is an amenable number.

25704381 is a deficient number, since it is larger than the sum of its proper divisors (9494563).

25704381 is a wasteful number, since it uses less digits than its factorization.

25704381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231611.

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 25704381 is about 5069.9488163097. The cubic root of 25704381 is about 295.1225422138.

The spelling of 25704381 in words is "twenty-five million, seven hundred four thousand, three hundred eighty-one".