681482833 has 2 divisors, whose sum is σ = 681482834. Its totient is φ = 681482832.

The previous prime is 681482819. The next prime is 681482839. The reversal of 681482833 is 338284186.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 567249489 + 114233344 = 23817^2 + 10688^2 .

It is a cyclic number.

It is not a de Polignac number, because 681482833 - 2¹³ = 681474641 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 681482833.

It is not a weakly prime, because it can be changed into another prime (681482839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 340741416 + 340741417.

It is an arithmetic number, because the mean of its divisors is an integer number (340741417).

Almost surely, 2^681482833 is an apocalyptic number.

It is an amenable number.

681482833 is a deficient number, since it is larger than the sum of its proper divisors (1).

681482833 is an equidigital number, since it uses as much as digits as its factorization.

681482833 is an evil number, because the sum of its binary digits is even.

The product of its digits is 221184, while the sum is 43.

The square root of 681482833 is about 26105.2261625905. The cubic root of 681482833 is about 880.0046629402.

The spelling of 681482833 in words is "six hundred eighty-one million, four hundred eighty-two thousand, eight hundred thirty-three".