25852431 has 8 divisors (see below), whose sum is σ = 37603584. Its totient is φ = 15668120.

The previous prime is 25852429. The next prime is 25852441. The reversal of 25852431 is 13425852.

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 25852431 - 2¹ = 25852429 is a prime.

It is a super-2 number, since 2×25852431² = 1336696377219522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25852441) 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, 391671 + ... + 391736.

It is an arithmetic number, because the mean of its divisors is an integer number (4700448).

Almost surely, 2^25852431 is an apocalyptic number.

25852431 is a deficient number, since it is larger than the sum of its proper divisors (11751153).

25852431 is a wasteful number, since it uses less digits than its factorization.

25852431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 783421.

The product of its digits is 9600, while the sum is 30.

The square root of 25852431 is about 5084.5285917182. The cubic root of 25852431 is about 295.6880654414.

The spelling of 25852431 in words is "twenty-five million, eight hundred fifty-two thousand, four hundred thirty-one".