461261623 has 2 divisors, whose sum is σ = 461261624. Its totient is φ = 461261622.

The previous prime is 461261621. The next prime is 461261639. The reversal of 461261623 is 326162164.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 461261623 - 2¹ = 461261621 is a prime.

Together with 461261621, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (461261621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 230630811 + 230630812.

It is an arithmetic number, because the mean of its divisors is an integer number (230630812).

Almost surely, 2^461261623 is an apocalyptic number.

461261623 is a deficient number, since it is larger than the sum of its proper divisors (1).

461261623 is an equidigital number, since it uses as much as digits as its factorization.

461261623 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10368, while the sum is 31.

The square root of 461261623 is about 21477.0021883875. The cubic root of 461261623 is about 772.6493452769.

The spelling of 461261623 in words is "four hundred sixty-one million, two hundred sixty-one thousand, six hundred twenty-three".