611310461 has 2 divisors, whose sum is σ = 611310462. Its totient is φ = 611310460.

The previous prime is 611310457. The next prime is 611310493. The reversal of 611310461 is 164013116.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 509179225 + 102131236 = 22565^2 + 10106^2 .

It is a cyclic number.

It is not a de Polignac number, because 611310461 - 2² = 611310457 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (611310761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 305655230 + 305655231.

It is an arithmetic number, because the mean of its divisors is an integer number (305655231).

Almost surely, 2^611310461 is an apocalyptic number.

It is an amenable number.

611310461 is a deficient number, since it is larger than the sum of its proper divisors (1).

611310461 is an equidigital number, since it uses as much as digits as its factorization.

611310461 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 611310461 is about 24724.6933449133. The cubic root of 611310461 is about 848.6994926575.

Adding to 611310461 its reverse (164013116), we get a palindrome (775323577).

The spelling of 611310461 in words is "six hundred eleven million, three hundred ten thousand, four hundred sixty-one".