613247971 has 16 divisors (see below), whose sum is σ = 738837760. Its totient is φ = 497236320.

The previous prime is 613247959. The next prime is 613248017. The reversal of 613247971 is 179742316.

It is not a de Polignac number, because 613247971 - 2⁵ = 613247939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (613247911) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 97636 + ... + 103726.

It is an arithmetic number, because the mean of its divisors is an integer number (46177360).

Almost surely, 2^613247971 is an apocalyptic number.

613247971 is a deficient number, since it is larger than the sum of its proper divisors (125589789).

613247971 is a wasteful number, since it uses less digits than its factorization.

613247971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6874.

The product of its digits is 63504, while the sum is 40.

The square root of 613247971 is about 24763.8440271296. The cubic root of 613247971 is about 849.5951802421.

The spelling of 613247971 in words is "six hundred thirteen million, two hundred forty-seven thousand, nine hundred seventy-one".