28425529 has 8 divisors (see below), whose sum is σ = 31059072. Its totient is φ = 25800240.

The previous prime is 28425517. The next prime is 28425557. The reversal of 28425529 is 92552482.

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

It is a cyclic number.

It is not a de Polignac number, because 28425529 - 2¹⁵ = 28392761 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28425569) 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, 6832 + ... + 10174.

It is an arithmetic number, because the mean of its divisors is an integer number (3882384).

Almost surely, 2^28425529 is an apocalyptic number.

It is an amenable number.

28425529 is a deficient number, since it is larger than the sum of its proper divisors (2633543).

28425529 is a wasteful number, since it uses less digits than its factorization.

28425529 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4127.

The product of its digits is 57600, while the sum is 37.

The square root of 28425529 is about 5331.5597155054. The cubic root of 28425529 is about 305.1894514097.

The spelling of 28425529 in words is "twenty-eight million, four hundred twenty-five thousand, five hundred twenty-nine".