612249 has 8 divisors (see below), whose sum is σ = 890592. Its totient is φ = 371040.

The previous prime is 612229. The next prime is 612259. The reversal of 612249 is 942216.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 612249 - 2⁵ = 612217 is a prime.

612249 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (612229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9244 + ... + 9309.

It is an arithmetic number, because the mean of its divisors is an integer number (111324).

2⁶¹²²⁴⁹ is an apocalyptic number.

It is an amenable number.

612249 is a deficient number, since it is larger than the sum of its proper divisors (278343).

612249 is a wasteful number, since it uses less digits than its factorization.

612249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18567.

The product of its digits is 864, while the sum is 24.

The square root of 612249 is about 782.4634176752. The cubic root of 612249 is about 84.9133603928.

It can be divided in two parts, 612 and 249, that added together give a triangular number (861 = T₄₁).

The spelling of 612249 in words is "six hundred twelve thousand, two hundred forty-nine".