249583 has 2 divisors, whose sum is σ = 249584. Its totient is φ = 249582.

The previous prime is 249563. The next prime is 249589. The reversal of 249583 is 385942.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 249583 - 2¹³ = 241391 is a prime.

It is a plaindrome in base 16.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (249589) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124791 + 124792.

It is an arithmetic number, because the mean of its divisors is an integer number (124792).

2²⁴⁹⁵⁸³ is an apocalyptic number.

249583 is a deficient number, since it is larger than the sum of its proper divisors (1).

249583 is an equidigital number, since it uses as much as digits as its factorization.

249583 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8640, while the sum is 31.

The square root of 249583 is about 499.5828259658. The cubic root of 249583 is about 62.9610071971.

The spelling of 249583 in words is "two hundred forty-nine thousand, five hundred eighty-three".