461405587 has 4 divisors (see below), whose sum is σ = 462166336. Its totient is φ = 460644840.

The previous prime is 461405569. The next prime is 461405597. The reversal of 461405587 is 785504164.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 461405587 - 2¹¹ = 461403539 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (461405537) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 379464 + ... + 380677.

It is an arithmetic number, because the mean of its divisors is an integer number (115541584).

Almost surely, 2^461405587 is an apocalyptic number.

461405587 is a deficient number, since it is larger than the sum of its proper divisors (760749).

461405587 is an equidigital number, since it uses as much as digits as its factorization.

461405587 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 760748.

The product of its (nonzero) digits is 134400, while the sum is 40.

The square root of 461405587 is about 21480.3535119886. The cubic root of 461405587 is about 772.7297205740.

The spelling of 461405587 in words is "four hundred sixty-one million, four hundred five thousand, five hundred eighty-seven".