611230249 has 4 divisors (see below), whose sum is σ = 698548864. Its totient is φ = 523911636.

The previous prime is 611230237. The next prime is 611230259. The reversal of 611230249 is 942032116.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 611230249 - 2²⁵ = 577675817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (611230229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43659297 + ... + 43659310.

It is an arithmetic number, because the mean of its divisors is an integer number (174637216).

Almost surely, 2^611230249 is an apocalyptic number.

It is an amenable number.

611230249 is a deficient number, since it is larger than the sum of its proper divisors (87318615).

611230249 is an equidigital number, since it uses as much as digits as its factorization.

611230249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87318614.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 611230249 is about 24723.0711886691. The cubic root of 611230249 is about 848.6623708426.

It can be divided in two parts, 611 and 230249, that added together give a triangular number (230860 = T₆₇₉).

The spelling of 611230249 in words is "six hundred eleven million, two hundred thirty thousand, two hundred forty-nine".