283863825 has 48 divisors (see below), whose sum is σ = 595973760. Its totient is φ = 129764160.

The previous prime is 283863793. The next prime is 283863829. The reversal of 283863825 is 528368382.

283863825 is a `hidden beast` number, since 2 + 8 + 3 + 8 + 638 + 2 + 5 = 666.

It is not a de Polignac number, because 283863825 - 2⁵ = 283863793 is a prime.

It is a super-2 number, since 2×283863825² = 161157342287261250, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (283863829) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 25314 + ... + 34763.

It is an arithmetic number, because the mean of its divisors is an integer number (12416120).

Almost surely, 2^283863825 is an apocalyptic number.

283863825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

283863825 is an abundant number, since it is smaller than the sum of its proper divisors (312109935).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

283863825 is a wasteful number, since it uses less digits than its factorization.

283863825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60103 (or 60092 counting only the distinct ones).

The product of its digits is 552960, while the sum is 45.

The square root of 283863825 is about 16848.2588121147. The cubic root of 283863825 is about 657.2087699999.

The spelling of 283863825 in words is "two hundred eighty-three million, eight hundred sixty-three thousand, eight hundred twenty-five".