249583255 has 4 divisors (see below), whose sum is σ = 299499912. Its totient is φ = 199666600.

The previous prime is 249583163. The next prime is 249583261. The reversal of 249583255 is 552385942.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 552385942 = 2 ⋅276192971.

It is not a de Polignac number, because 249583255 - 2⁷ = 249583127 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24958321 + ... + 24958330.

It is an arithmetic number, because the mean of its divisors is an integer number (74874978).

Almost surely, 2^249583255 is an apocalyptic number.

249583255 is a deficient number, since it is larger than the sum of its proper divisors (49916657).

249583255 is an equidigital number, since it uses as much as digits as its factorization.

249583255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49916656.

The product of its digits is 432000, while the sum is 43.

The square root of 249583255 is about 15798.2041700948. The cubic root of 249583255 is about 629.6102863964.

The spelling of 249583255 in words is "two hundred forty-nine million, five hundred eighty-three thousand, two hundred fifty-five".