283025133 has 24 divisors (see below), whose sum is σ = 423987200. Its totient is φ = 181738080.

The previous prime is 283025101. The next prime is 283025147. The reversal of 283025133 is 331520382.

It is not a de Polignac number, because 283025133 - 2⁵ = 283025101 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 283025097 and 283025106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (283025153) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 59943 + ... + 64491.

Almost surely, 2^283025133 is an apocalyptic number.

It is an amenable number.

283025133 is a deficient number, since it is larger than the sum of its proper divisors (140962067).

283025133 is a wasteful number, since it uses less digits than its factorization.

283025133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4809 (or 4806 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 283025133 is about 16823.3508255639. The cubic root of 283025133 is about 656.5608777966.

The spelling of 283025133 in words is "two hundred eighty-three million, twenty-five thousand, one hundred thirty-three".