25583049 has 12 divisors (see below), whose sum is σ = 37580400. Its totient is φ = 16765944.

The previous prime is 25583023. The next prime is 25583053. The reversal of 25583049 is 94038552.

It is not a de Polignac number, because 25583049 - 2⁸ = 25582793 is a prime.

It is a super-2 number, since 2×25583049² = 1308984792272802, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (25583059) 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 11 ways as a sum of consecutive naturals, for example, 23559 + ... + 24620.

It is an arithmetic number, because the mean of its divisors is an integer number (3131700).

Almost surely, 2^25583049 is an apocalyptic number.

It is an amenable number.

25583049 is a deficient number, since it is larger than the sum of its proper divisors (11997351).

25583049 is a wasteful number, since it uses less digits than its factorization.

25583049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48244 (or 48241 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The square root of 25583049 is about 5057.9688611141. The cubic root of 25583049 is about 294.6574555097.

The spelling of 25583049 in words is "twenty-five million, five hundred eighty-three thousand, forty-nine".