613049 has 2 divisors, whose sum is σ = 613050. Its totient is φ = 613048.

The previous prime is 613013. The next prime is 613061. The reversal of 613049 is 940316.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 573049 + 40000 = 757^2 + 200^2 .

It is a cyclic number.

It is not a de Polignac number, because 613049 - 2¹² = 608953 is a prime.

It is not a weakly prime, because it can be changed into another prime (613009) 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 as a sum of consecutive naturals, namely, 306524 + 306525.

It is an arithmetic number, because the mean of its divisors is an integer number (306525).

2⁶¹³⁰⁴⁹ is an apocalyptic number.

It is an amenable number.

613049 is a deficient number, since it is larger than the sum of its proper divisors (1).

613049 is an equidigital number, since it uses as much as digits as its factorization.

613049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 613049 is about 782.9744567992. The cubic root of 613049 is about 84.9503285339.

The spelling of 613049 in words is "six hundred thirteen thousand, forty-nine".