681255058 has 16 divisors (see below), whose sum is σ = 1115183520. Its totient is φ = 309549600.

The previous prime is 681255049. The next prime is 681255079. The reversal of 681255058 is 850552186.

It is a self number, because there is not a number n which added to its sum of digits gives 681255058.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108238 + ... + 114358.

It is an arithmetic number, because the mean of its divisors is an integer number (69698970).

Almost surely, 2^681255058 is an apocalyptic number.

681255058 is a deficient number, since it is larger than the sum of its proper divisors (433928462).

681255058 is a wasteful number, since it uses less digits than its factorization.

681255058 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11193.

The product of its (nonzero) digits is 96000, while the sum is 40.

The square root of 681255058 is about 26100.8631658035. The cubic root of 681255058 is about 879.9066094074.

The spelling of 681255058 in words is "six hundred eighty-one million, two hundred fifty-five thousand, fifty-eight".