461527861 has 2 divisors, whose sum is σ = 461527862. Its totient is φ = 461527860.

The previous prime is 461527853. The next prime is 461527889. The reversal of 461527861 is 168725164.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 447322500 + 14205361 = 21150^2 + 3769^2 .

It is a cyclic number.

It is not a de Polignac number, because 461527861 - 2³ = 461527853 is a prime.

It is a super-3 number, since 3×461527861³ (a number of 27 digits) contains 333 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (461527831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 230763930 + 230763931.

It is an arithmetic number, because the mean of its divisors is an integer number (230763931).

Almost surely, 2^461527861 is an apocalyptic number.

It is an amenable number.

461527861 is a deficient number, since it is larger than the sum of its proper divisors (1).

461527861 is an equidigital number, since it uses as much as digits as its factorization.

461527861 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 80640, while the sum is 40.

The square root of 461527861 is about 21483.1995056602. The cubic root of 461527861 is about 772.7979731855.

The spelling of 461527861 in words is "four hundred sixty-one million, five hundred twenty-seven thousand, eight hundred sixty-one".