613088947 has 2 divisors, whose sum is σ = 613088948. Its totient is φ = 613088946.

The previous prime is 613088933. The next prime is 613089013. The reversal of 613088947 is 749880316.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 613088947 - 2²³ = 604700339 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 613088897 and 613088906.

It is not a weakly prime, because it can be changed into another prime (613082947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 306544473 + 306544474.

It is an arithmetic number, because the mean of its divisors is an integer number (306544474).

Almost surely, 2^613088947 is an apocalyptic number.

613088947 is a deficient number, since it is larger than the sum of its proper divisors (1).

613088947 is an equidigital number, since it uses as much as digits as its factorization.

613088947 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 290304, while the sum is 46.

The square root of 613088947 is about 24760.6330088712. The cubic root of 613088947 is about 849.5217364856.

The spelling of 613088947 in words is "six hundred thirteen million, eighty-eight thousand, nine hundred forty-seven".