28425653 has 8 divisors (see below), whose sum is σ = 29975520. Its totient is φ = 26881200.

The previous prime is 28425643. The next prime is 28425671. The reversal of 28425653 is 35652482.

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

It is not a de Polignac number, because 28425653 - 2⁴ = 28425637 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 (28425643) 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, 14003 + ... + 15903.

It is an arithmetic number, because the mean of its divisors is an integer number (3746940).

Almost surely, 2^28425653 is an apocalyptic number.

It is an amenable number.

28425653 is a deficient number, since it is larger than the sum of its proper divisors (1549867).

28425653 is a wasteful number, since it uses less digits than its factorization.

28425653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2707.

The product of its digits is 57600, while the sum is 35.

The square root of 28425653 is about 5331.5713443599. The cubic root of 28425653 is about 305.1898951826.

The spelling of 28425653 in words is "twenty-eight million, four hundred twenty-five thousand, six hundred fifty-three".