25799057 has 4 divisors (see below), whose sum is σ = 26162496. Its totient is φ = 25435620.

The previous prime is 25799051. The next prime is 25799063. The reversal of 25799057 is 75099752.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (25799051) and next prime (25799063).

It is a cyclic number.

It is not a de Polignac number, because 25799057 - 2⁴ = 25799041 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25798999 and 25799017.

It is not an unprimeable number, because it can be changed into a prime (25799051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 181613 + ... + 181754.

It is an arithmetic number, because the mean of its divisors is an integer number (6540624).

Almost surely, 2^25799057 is an apocalyptic number.

It is an amenable number.

25799057 is a deficient number, since it is larger than the sum of its proper divisors (363439).

25799057 is an equidigital number, since it uses as much as digits as its factorization.

25799057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 363438.

The product of its (nonzero) digits is 198450, while the sum is 44.

The square root of 25799057 is about 5079.2772123600. The cubic root of 25799057 is about 295.4844362572.

The spelling of 25799057 in words is "twenty-five million, seven hundred ninety-nine thousand, fifty-seven".