25628955 has 16 divisors (see below), whose sum is σ = 44734464. Its totient is φ = 12426080.

The previous prime is 25628947. The next prime is 25628983. The reversal of 25628955 is 55982652.

It is not a de Polignac number, because 25628955 - 2³ = 25628947 is a prime.

It is an unprimeable number.

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, 77499 + ... + 77828.

It is an arithmetic number, because the mean of its divisors is an integer number (2795904).

Almost surely, 2^25628955 is an apocalyptic number.

25628955 is a deficient number, since it is larger than the sum of its proper divisors (19105509).

25628955 is a wasteful number, since it uses less digits than its factorization.

25628955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155346.

The product of its digits is 216000, while the sum is 42.

The square root of 25628955 is about 5062.5048148125. The cubic root of 25628955 is about 294.8335937874.

The spelling of 25628955 in words is "twenty-five million, six hundred twenty-eight thousand, nine hundred fifty-five".