681043315 has 8 divisors (see below), whose sum is σ = 860265360. Its totient is φ = 516159072.

The previous prime is 681043243. The next prime is 681043327. The reversal of 681043315 is 513340186.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 681043315 - 2²⁹ = 144172403 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3584344 + ... + 3584533.

It is an arithmetic number, because the mean of its divisors is an integer number (107533170).

Almost surely, 2^681043315 is an apocalyptic number.

681043315 is a deficient number, since it is larger than the sum of its proper divisors (179222045).

681043315 is a wasteful number, since it uses less digits than its factorization.

681043315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7168901.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 681043315 is about 26096.8066054067. The cubic root of 681043315 is about 879.8154377924.

The spelling of 681043315 in words is "six hundred eighty-one million, forty-three thousand, three hundred fifteen".