25628735 has 8 divisors (see below), whose sum is σ = 33550416. Its totient is φ = 18639040.

The previous prime is 25628719. The next prime is 25628737. The reversal of 25628735 is 53782652.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 25628735 - 2⁴ = 25628719 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25628737) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 232934 + ... + 233043.

It is an arithmetic number, because the mean of its divisors is an integer number (4193802).

Almost surely, 2^25628735 is an apocalyptic number.

25628735 is a deficient number, since it is larger than the sum of its proper divisors (7921681).

25628735 is a wasteful number, since it uses less digits than its factorization.

25628735 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 465993.

The product of its digits is 100800, while the sum is 38.

The square root of 25628735 is about 5062.4830863915. The cubic root of 25628735 is about 294.8327501638.

The spelling of 25628735 in words is "twenty-five million, six hundred twenty-eight thousand, seven hundred thirty-five".