25628674 has 4 divisors (see below), whose sum is σ = 38443014. Its totient is φ = 12814336.

The previous prime is 25628671. The next prime is 25628689. The reversal of 25628674 is 47682652.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 24078649 + 1550025 = 4907^2 + 1245^2 .

It is not an unprimeable number, because it can be changed into a prime (25628671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6407167 + ... + 6407170.

Almost surely, 2^25628674 is an apocalyptic number.

25628674 is a deficient number, since it is larger than the sum of its proper divisors (12814340).

25628674 is a wasteful number, since it uses less digits than its factorization.

25628674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12814339.

The product of its digits is 161280, while the sum is 40.

The square root of 25628674 is about 5062.4770616764. The cubic root of 25628674 is about 294.8325162491.

It can be divided in two parts, 2562 and 8674, that added together give a square (11236 = 106²).

The spelling of 25628674 in words is "twenty-five million, six hundred twenty-eight thousand, six hundred seventy-four".