681150585 has 16 divisors (see below), whose sum is σ = 1091505600. Its totient is φ = 362725440.

The previous prime is 681150571. The next prime is 681150619. The reversal of 681150585 is 585051186.

It is not a de Polignac number, because 681150585 - 2²⁰ = 680102009 is a prime.

It is a super-2 number, since 2×681150585² = 927932238891684450, which contains 22 as substring.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 24435 + ... + 44264.

It is an arithmetic number, because the mean of its divisors is an integer number (68219100).

Almost surely, 2^681150585 is an apocalyptic number.

It is an amenable number.

681150585 is a deficient number, since it is larger than the sum of its proper divisors (410355015).

681150585 is a wasteful number, since it uses less digits than its factorization.

681150585 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69368.

The product of its (nonzero) digits is 48000, while the sum is 39.

The square root of 681150585 is about 26098.8617567893. The cubic root of 681150585 is about 879.8616281229.

The spelling of 681150585 in words is "six hundred eighty-one million, one hundred fifty thousand, five hundred eighty-five".