25807093 has 8 divisors (see below), whose sum is σ = 28543928. Its totient is φ = 23177664.

The previous prime is 25807079. The next prime is 25807109. The reversal of 25807093 is 39070852.

It can be written as a sum of positive squares in 4 ways, for example, as 636804 + 25170289 = 798^2 + 5017^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25807093 is a prime.

It is a super-2 number, since 2×25807093² = 1332012098221298, 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 (25807043) 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, 26346 + ... + 27307.

It is an arithmetic number, because the mean of its divisors is an integer number (3567991).

Almost surely, 2^25807093 is an apocalyptic number.

It is an amenable number.

25807093 is a deficient number, since it is larger than the sum of its proper divisors (2736835).

25807093 is a wasteful number, since it uses less digits than its factorization.

25807093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53703.

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 25807093 is about 5080.0682082035. The cubic root of 25807093 is about 295.5151126553.

The spelling of 25807093 in words is "twenty-five million, eight hundred seven thousand, ninety-three".