260611693 has 2 divisors, whose sum is σ = 260611694. Its totient is φ = 260611692.

The previous prime is 260611667. The next prime is 260611711. The reversal of 260611693 is 396116062.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 201583204 + 59028489 = 14198^2 + 7683^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-260611693 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (260618693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130305846 + 130305847.

It is an arithmetic number, because the mean of its divisors is an integer number (130305847).

Almost surely, 2^260611693 is an apocalyptic number.

It is an amenable number.

260611693 is a deficient number, since it is larger than the sum of its proper divisors (1).

260611693 is an equidigital number, since it uses as much as digits as its factorization.

260611693 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11664, while the sum is 34.

The square root of 260611693 is about 16143.4721482090. The cubic root of 260611693 is about 638.7505677695.

The spelling of 260611693 in words is "two hundred sixty million, six hundred eleven thousand, six hundred ninety-three".