681125083 has 2 divisors, whose sum is σ = 681125084. Its totient is φ = 681125082.

The previous prime is 681125069. The next prime is 681125089. The reversal of 681125083 is 380521186.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 681125083 - 2⁵ = 681125051 is a prime.

It is not a weakly prime, because it can be changed into another prime (681125089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 340562541 + 340562542.

It is an arithmetic number, because the mean of its divisors is an integer number (340562542).

Almost surely, 2^681125083 is an apocalyptic number.

681125083 is a deficient number, since it is larger than the sum of its proper divisors (1).

681125083 is an equidigital number, since it uses as much as digits as its factorization.

681125083 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11520, while the sum is 34.

The square root of 681125083 is about 26098.3731868483. The cubic root of 681125083 is about 879.8506474324.

The spelling of 681125083 in words is "six hundred eighty-one million, one hundred twenty-five thousand, eighty-three".