25599043 has 2 divisors, whose sum is σ = 25599044. Its totient is φ = 25599042.

The previous prime is 25599037. The next prime is 25599073. The reversal of 25599043 is 34099552.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25599043 - 2¹⁷ = 25467971 is a prime.

It is a super-2 number, since 2×25599043² = 1310622005031698, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 25598993 and 25599011.

It is not a weakly prime, because it can be changed into another prime (25599073) 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 as a sum of consecutive naturals, namely, 12799521 + 12799522.

It is an arithmetic number, because the mean of its divisors is an integer number (12799522).

Almost surely, 2^25599043 is an apocalyptic number.

25599043 is a deficient number, since it is larger than the sum of its proper divisors (1).

25599043 is an equidigital number, since it uses as much as digits as its factorization.

25599043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48600, while the sum is 37.

The square root of 25599043 is about 5059.5496835193. The cubic root of 25599043 is about 294.7188473266.

The spelling of 25599043 in words is "twenty-five million, five hundred ninety-nine thousand, forty-three".