25682893 has 8 divisors (see below), whose sum is σ = 26633880. Its totient is φ = 24736320.

The previous prime is 25682887. The next prime is 25682897. The reversal of 25682893 is 39828652.

It can be written as a sum of positive squares in 4 ways, for example, as 59049 + 25623844 = 243^2 + 5062^2 .

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-25682893 is a prime.

It is a super-2 number, since 2×25682893² = 1319221985698898, 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 (25682897) 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, 14871 + ... + 16507.

It is an arithmetic number, because the mean of its divisors is an integer number (3329235).

Almost surely, 2^25682893 is an apocalyptic number.

It is an amenable number.

25682893 is a deficient number, since it is larger than the sum of its proper divisors (950987).

25682893 is a wasteful number, since it uses less digits than its factorization.

25682893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2207.

The product of its digits is 207360, while the sum is 43.

The square root of 25682893 is about 5067.8292196955. The cubic root of 25682893 is about 295.0402817731.

The spelling of 25682893 in words is "twenty-five million, six hundred eighty-two thousand, eight hundred ninety-three".