25800797 has 8 divisors (see below), whose sum is σ = 28203552. Its totient is φ = 23407600.

The previous prime is 25800793. The next prime is 25800811. The reversal of 25800797 is 79700852.

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 25800797 - 2² = 25800793 is a prime.

It is a super-2 number, since 2×25800797² = 1331362251670418, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 25800797.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25800793) 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, 4022 + ... + 8232.

It is an arithmetic number, because the mean of its divisors is an integer number (3525444).

Almost surely, 2^25800797 is an apocalyptic number.

It is an amenable number.

25800797 is a deficient number, since it is larger than the sum of its proper divisors (2402755).

25800797 is a wasteful number, since it uses less digits than its factorization.

25800797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4779.

The product of its (nonzero) digits is 35280, while the sum is 38.

The square root of 25800797 is about 5079.4484936851. The cubic root of 25800797 is about 295.4910790241.

The spelling of 25800797 in words is "twenty-five million, eight hundred thousand, seven hundred ninety-seven".