613006231 has 2 divisors, whose sum is σ = 613006232. Its totient is φ = 613006230.

The previous prime is 613006201. The next prime is 613006243. The reversal of 613006231 is 132600316.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 613006231 - 2¹³ = 612998039 is a prime.

It is a super-2 number, since 2×613006231² = 751553278489650722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (613006201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 306503115 + 306503116.

It is an arithmetic number, because the mean of its divisors is an integer number (306503116).

Almost surely, 2^613006231 is an apocalyptic number.

613006231 is a deficient number, since it is larger than the sum of its proper divisors (1).

613006231 is an equidigital number, since it uses as much as digits as its factorization.

613006231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 613006231 is about 24758.9626398199. The cubic root of 613006231 is about 849.4835298487.

Adding to 613006231 its reverse (132600316), we get a palindrome (745606547).

The spelling of 613006231 in words is "six hundred thirteen million, six thousand, two hundred thirty-one".