461481497 has 2 divisors, whose sum is σ = 461481498. Its totient is φ = 461481496.

The previous prime is 461481467. The next prime is 461481521. The reversal of 461481497 is 794184164.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 425349376 + 36132121 = 20624^2 + 6011^2 .

It is a cyclic number.

It is not a de Polignac number, because 461481497 - 2¹⁰ = 461480473 is a prime.

It is a super-2 number, since 2×461481497² = 425930344146722018, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (461481457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 230740748 + 230740749.

It is an arithmetic number, because the mean of its divisors is an integer number (230740749).

Almost surely, 2^461481497 is an apocalyptic number.

It is an amenable number.

461481497 is a deficient number, since it is larger than the sum of its proper divisors (1).

461481497 is an equidigital number, since it uses as much as digits as its factorization.

461481497 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 193536, while the sum is 44.

The square root of 461481497 is about 21482.1204027908. The cubic root of 461481497 is about 772.7720944985.

The spelling of 461481497 in words is "four hundred sixty-one million, four hundred eighty-one thousand, four hundred ninety-seven".