461306987 has 2 divisors, whose sum is σ = 461306988. Its totient is φ = 461306986.

The previous prime is 461306981. The next prime is 461307029. The reversal of 461306987 is 789603164.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 461306987 - 2⁸ = 461306731 is a prime.

It is not a weakly prime, because it can be changed into another prime (461306981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 230653493 + 230653494.

It is an arithmetic number, because the mean of its divisors is an integer number (230653494).

Almost surely, 2^461306987 is an apocalyptic number.

461306987 is a deficient number, since it is larger than the sum of its proper divisors (1).

461306987 is an equidigital number, since it uses as much as digits as its factorization.

461306987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 217728, while the sum is 44.

The square root of 461306987 is about 21478.0582688473. The cubic root of 461306987 is about 772.6746738642.

The spelling of 461306987 in words is "four hundred sixty-one million, three hundred six thousand, nine hundred eighty-seven".