245583 has 12 divisors (see below), whose sum is σ = 382200. Its totient is φ = 151056.

The previous prime is 245563. The next prime is 245587. The reversal of 245583 is 385542.

It is not a de Polignac number, because 245583 - 2⁶ = 245519 is a prime.

It is a super-2 number, since 2×245583² = 120622019778, which contains 22 as substring.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245587) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 933 + ... + 1166.

It is an arithmetic number, because the mean of its divisors is an integer number (31850).

2²⁴⁵⁵⁸³ is an apocalyptic number.

245583 is a deficient number, since it is larger than the sum of its proper divisors (136617).

245583 is a wasteful number, since it uses less digits than its factorization.

245583 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2118 (or 2115 counting only the distinct ones).

The product of its digits is 4800, while the sum is 27.

The square root of 245583 is about 495.5633158336. The cubic root of 245583 is about 62.6228410696.

It can be divided in two parts, 245 and 583, that added together give a palindrome (828).

The spelling of 245583 in words is "two hundred forty-five thousand, five hundred eighty-three".