285625053 has 24 divisors (see below), whose sum is σ = 477484800. Its totient is φ = 161145504.

The previous prime is 285625037. The next prime is 285625061. The reversal of 285625053 is 350526582.

It is a happy number.

285625053 is a `hidden beast` number, since 28 + 5 + 625 + 0 + 5 + 3 = 666.

It is not a de Polignac number, because 285625053 - 2⁴ = 285625037 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 285624999 and 285625017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (285625033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23718 + ... + 33671.

It is an arithmetic number, because the mean of its divisors is an integer number (19895200).

Almost surely, 2^285625053 is an apocalyptic number.

It is an amenable number.

285625053 is a deficient number, since it is larger than the sum of its proper divisors (191859747).

285625053 is a wasteful number, since it uses less digits than its factorization.

285625053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57481 (or 57478 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

The square root of 285625053 is about 16900.4453491617. The cubic root of 285625053 is about 658.5651819116.

The spelling of 285625053 in words is "two hundred eighty-five million, six hundred twenty-five thousand, fifty-three".