25458955 has 16 divisors (see below), whose sum is σ = 33271200. Its totient is φ = 18627840.

The previous prime is 25458949. The next prime is 25458959. The reversal of 25458955 is 55985452.

It is not a de Polignac number, because 25458955 - 2³ = 25458947 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25458959) 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 15 ways as a sum of consecutive naturals, for example, 1866 + ... + 7375.

It is an arithmetic number, because the mean of its divisors is an integer number (2079450).

Almost surely, 2^25458955 is an apocalyptic number.

25458955 is a deficient number, since it is larger than the sum of its proper divisors (7812245).

25458955 is a wasteful number, since it uses less digits than its factorization.

25458955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9294.

The product of its digits is 360000, while the sum is 43.

The square root of 25458955 is about 5045.6867718875. The cubic root of 25458955 is about 294.1802579765.

The spelling of 25458955 in words is "twenty-five million, four hundred fifty-eight thousand, nine hundred fifty-five".