613349 has 12 divisors (see below), whose sum is σ = 697452. Its totient is φ = 538560.

The previous prime is 613337. The next prime is 613357. The reversal of 613349 is 943316.

613349 = 52² + 53² + ... + 125².

It can be written as a sum of positive squares in 2 ways, for example, as 465124 + 148225 = 682^2 + 385^2 .

It is not a de Polignac number, because 613349 - 2¹² = 609253 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (613049) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4409 + ... + 4545.

It is an arithmetic number, because the mean of its divisors is an integer number (58121).

2⁶¹³³⁴⁹ is an apocalyptic number.

It is an amenable number.

613349 is a deficient number, since it is larger than the sum of its proper divisors (84103).

613349 is a wasteful number, since it uses less digits than its factorization.

613349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196 (or 185 counting only the distinct ones).

The product of its digits is 1944, while the sum is 26.

The square root of 613349 is about 783.1660104984. The cubic root of 613349 is about 84.9641832952.

The spelling of 613349 in words is "six hundred thirteen thousand, three hundred forty-nine".