76585261 has 2 divisors, whose sum is σ = 76585262. Its totient is φ = 76585260.

The previous prime is 76585211. The next prime is 76585273. The reversal of 76585261 is 16258567.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40513225 + 36072036 = 6365^2 + 6006^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-76585261 is a prime.

It is a zygodrome in base 8.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (76585211) by changing a digit.

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 as a sum of consecutive naturals, namely, 38292630 + 38292631.

It is an arithmetic number, because the mean of its divisors is an integer number (38292631).

Almost surely, 2^76585261 is an apocalyptic number.

It is an amenable number.

76585261 is a deficient number, since it is larger than the sum of its proper divisors (1).

76585261 is an equidigital number, since it uses as much as digits as its factorization.

76585261 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 100800, while the sum is 40.

The square root of 76585261 is about 8751.3005319210. The cubic root of 76585261 is about 424.6668873039. Note that the first 3 decimals are identical.

The spelling of 76585261 in words is "seventy-six million, five hundred eighty-five thousand, two hundred sixty-one".