613174491 has 6 divisors (see below), whose sum is σ = 885696500. Its totient is φ = 408782988.

The previous prime is 613174487. The next prime is 613174493. The reversal of 613174491 is 194471316.

It is not a de Polignac number, because 613174491 - 2² = 613174487 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (613174493) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 34065241 + ... + 34065258.

Almost surely, 2^613174491 is an apocalyptic number.

613174491 is a deficient number, since it is larger than the sum of its proper divisors (272522009).

613174491 is a wasteful number, since it uses less digits than its factorization.

613174491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68130505 (or 68130502 counting only the distinct ones).

The product of its digits is 18144, while the sum is 36.

The square root of 613174491 is about 24762.3603681071. The cubic root of 613174491 is about 849.5612457652.

The spelling of 613174491 in words is "six hundred thirteen million, one hundred seventy-four thousand, four hundred ninety-one".