25628452 has 12 divisors (see below), whose sum is σ = 47488140. Its totient is φ = 12060416.

The previous prime is 25628441. The next prime is 25628459. The reversal of 25628452 is 25482652.

It can be written as a sum of positive squares in 2 ways, for example, as 22033636 + 3594816 = 4694^2 + 1896^2 .

It is a Harshad number since it is a multiple of its sum of digits (34).

It is not an unprimeable number, because it can be changed into a prime (25628459) 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 3 ways as a sum of consecutive naturals, for example, 188377 + ... + 188512.

It is an arithmetic number, because the mean of its divisors is an integer number (3957345).

Almost surely, 2^25628452 is an apocalyptic number.

It is an amenable number.

25628452 is a deficient number, since it is larger than the sum of its proper divisors (21859688).

25628452 is a wasteful number, since it uses less digits than its factorization.

25628452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 376910 (or 376908 counting only the distinct ones).

The product of its digits is 38400, while the sum is 34.

The square root of 25628452 is about 5062.4551356037. The cubic root of 25628452 is about 294.8316649499.

The spelling of 25628452 in words is "twenty-five million, six hundred twenty-eight thousand, four hundred fifty-two".