25628075 has 24 divisors (see below), whose sum is σ = 35528976. Its totient is φ = 18176000.

The previous prime is 25628033. The next prime is 25628081. The reversal of 25628075 is 57082652.

It is not a de Polignac number, because 25628075 - 2⁶ = 25628011 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 10139 + ... + 12411.

It is an arithmetic number, because the mean of its divisors is an integer number (1480374).

Almost surely, 2^25628075 is an apocalyptic number.

25628075 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

25628075 is a deficient number, since it is larger than the sum of its proper divisors (9900901).

25628075 is a wasteful number, since it uses less digits than its factorization.

25628075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2335 (or 2330 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 35.

The square root of 25628075 is about 5062.4179005689. The cubic root of 25628075 is about 294.8302192639.

The spelling of 25628075 in words is "twenty-five million, six hundred twenty-eight thousand, seventy-five".