25873287 has 8 divisors (see below), whose sum is σ = 37633920. Its totient is φ = 15680760.

The previous prime is 25873283. The next prime is 25873301. The reversal of 25873287 is 78237852.

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

It is not a de Polignac number, because 25873287 - 2² = 25873283 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25873283) 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, 391987 + ... + 392052.

It is an arithmetic number, because the mean of its divisors is an integer number (4704240).

Almost surely, 2^25873287 is an apocalyptic number.

25873287 is a deficient number, since it is larger than the sum of its proper divisors (11760633).

25873287 is a wasteful number, since it uses less digits than its factorization.

25873287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 784053.

The product of its digits is 188160, while the sum is 42.

The square root of 25873287 is about 5086.5791058431. The cubic root of 25873287 is about 295.7675578071.

The spelling of 25873287 in words is "twenty-five million, eight hundred seventy-three thousand, two hundred eighty-seven".