245588 has 24 divisors (see below), whose sum is σ = 504000. Its totient is φ = 104664.

The previous prime is 245587. The next prime is 245591. The reversal of 245588 is 885542.

It is a plaindrome in base 10.

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 7 ways as a sum of consecutive naturals, for example, 1283 + ... + 1461.

It is an arithmetic number, because the mean of its divisors is an integer number (21000).

2²⁴⁵⁵⁸⁸ is an apocalyptic number.

245588 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 245588, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (252000).

245588 is an abundant number, since it is smaller than the sum of its proper divisors (258412).

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

245588 is a wasteful number, since it uses less digits than its factorization.

245588 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204 (or 188 counting only the distinct ones).

The product of its digits is 12800, while the sum is 32.

The square root of 245588 is about 495.5683605720. The cubic root of 245588 is about 62.6232660612.

The spelling of 245588 in words is "two hundred forty-five thousand, five hundred eighty-eight".