612044249 has 2 divisors, whose sum is σ = 612044250. Its totient is φ = 612044248.

The previous prime is 612044243. The next prime is 612044261. The reversal of 612044249 is 942440216.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 579268624 + 32775625 = 24068^2 + 5725^2 .

It is a cyclic number.

It is not a de Polignac number, because 612044249 - 2¹² = 612040153 is a prime.

It is not a weakly prime, because it can be changed into another prime (612044243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 306022124 + 306022125.

It is an arithmetic number, because the mean of its divisors is an integer number (306022125).

Almost surely, 2^612044249 is an apocalyptic number.

It is an amenable number.

612044249 is a deficient number, since it is larger than the sum of its proper divisors (1).

612044249 is an equidigital number, since it uses as much as digits as its factorization.

612044249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 612044249 is about 24739.5280674470. The cubic root of 612044249 is about 849.0389363771.

The spelling of 612044249 in words is "six hundred twelve million, forty-four thousand, two hundred forty-nine".