25852287 has 8 divisors (see below), whose sum is σ = 35120304. Its totient is φ = 16909568.

The previous prime is 25852273. The next prime is 25852297. The reversal of 25852287 is 78225852.

It is a happy number.

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 25852287 - 2¹² = 25848191 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25852237) 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, 81138 + ... + 81455.

It is an arithmetic number, because the mean of its divisors is an integer number (4390038).

Almost surely, 2^25852287 is an apocalyptic number.

25852287 is a deficient number, since it is larger than the sum of its proper divisors (9268017).

25852287 is a wasteful number, since it uses less digits than its factorization.

25852287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162649.

The product of its digits is 89600, while the sum is 39.

The square root of 25852287 is about 5084.5144310937. The cubic root of 25852287 is about 295.6875164387.

The spelling of 25852287 in words is "twenty-five million, eight hundred fifty-two thousand, two hundred eighty-seven".