613146461 has 2 divisors, whose sum is σ = 613146462. Its totient is φ = 613146460.

The previous prime is 613146439. The next prime is 613146493. The reversal of 613146461 is 164641316.

It is an a-pointer prime, because the next prime (613146493) can be obtained adding 613146461 to its sum of digits (32).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 441798361 + 171348100 = 21019^2 + 13090^2 .

It is a cyclic number.

It is not a de Polignac number, because 613146461 - 2¹⁰ = 613145437 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (613145461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 306573230 + 306573231.

It is an arithmetic number, because the mean of its divisors is an integer number (306573231).

Almost surely, 2^613146461 is an apocalyptic number.

It is an amenable number.

613146461 is a deficient number, since it is larger than the sum of its proper divisors (1).

613146461 is an equidigital number, since it uses as much as digits as its factorization.

613146461 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10368, while the sum is 32.

The square root of 613146461 is about 24761.7943816679. The cubic root of 613146461 is about 849.5483002578.

Adding to 613146461 its reverse (164641316), we get a palindrome (777787777).

The spelling of 613146461 in words is "six hundred thirteen million, one hundred forty-six thousand, four hundred sixty-one".