28483825 has 6 divisors (see below), whose sum is σ = 35319974. Its totient is φ = 22787040.

The previous prime is 28483817. The next prime is 28483849. The reversal of 28483825 is 52838482.

It can be written as a sum of positive squares in 3 ways, for example, as 256 + 28483569 = 16^2 + 5337^2 .

It is not a de Polignac number, because 28483825 - 2³ = 28483817 is a prime.

It is a super-2 number, since 2×28483825² = 1622656573261250, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 569652 + ... + 569701.

Almost surely, 2^28483825 is an apocalyptic number.

28483825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

28483825 is a deficient number, since it is larger than the sum of its proper divisors (6836149).

28483825 is a wasteful number, since it uses less digits than its factorization.

28483825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1139363 (or 1139358 counting only the distinct ones).

The product of its digits is 122880, while the sum is 40.

The square root of 28483825 is about 5337.0239834574. The cubic root of 28483825 is about 305.3979397696.

The spelling of 28483825 in words is "twenty-eight million, four hundred eighty-three thousand, eight hundred twenty-five".