285613325 has 12 divisors (see below), whose sum is σ = 354902880. Its totient is φ = 228011760.

The previous prime is 285613319. The next prime is 285613331. The reversal of 285613325 is 523316582.

It is an interprime number because it is at equal distance from previous prime (285613319) and next prime (285613331).

It is not a de Polignac number, because 285613325 - 2¹⁸ = 285351181 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 446 + ... + 23904.

It is an arithmetic number, because the mean of its divisors is an integer number (29575240).

Almost surely, 2^285613325 is an apocalyptic number.

285613325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

285613325 is a deficient number, since it is larger than the sum of its proper divisors (69289555).

285613325 is a wasteful number, since it uses less digits than its factorization.

285613325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23956 (or 23951 counting only the distinct ones).

The product of its digits is 43200, while the sum is 35.

The square root of 285613325 is about 16900.0983724948. The cubic root of 285613325 is about 658.5561680452.

The spelling of 285613325 in words is "two hundred eighty-five million, six hundred thirteen thousand, three hundred twenty-five".