461261497 has 2 divisors, whose sum is σ = 461261498. Its totient is φ = 461261496.

The previous prime is 461261483. The next prime is 461261531. The reversal of 461261497 is 794162164.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 282878761 + 178382736 = 16819^2 + 13356^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-461261497 is a prime.

It is a super-2 number, since 2×461261497² = 425524337229362018, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (461261407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 230630748 + 230630749.

It is an arithmetic number, because the mean of its divisors is an integer number (230630749).

Almost surely, 2^461261497 is an apocalyptic number.

It is an amenable number.

461261497 is a deficient number, since it is larger than the sum of its proper divisors (1).

461261497 is an equidigital number, since it uses as much as digits as its factorization.

461261497 is an evil number, because the sum of its binary digits is even.

The product of its digits is 72576, while the sum is 40.

The square root of 461261497 is about 21476.9992550170. Note that the first 3 decimals coincide. The cubic root of 461261497 is about 772.6492749236.

The spelling of 461261497 in words is "four hundred sixty-one million, two hundred sixty-one thousand, four hundred ninety-seven".