770261 has 2 divisors, whose sum is σ = 770262. Its totient is φ = 770260.

The previous prime is 770239. The next prime is 770281. The reversal of 770261 is 162077.

It is a happy number.

770261 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 398161 + 372100 = 631^2 + 610^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-770261 is a prime.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 770261.

It is not a weakly prime, because it can be changed into another prime (770281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 385130 + 385131.

It is an arithmetic number, because the mean of its divisors is an integer number (385131).

2⁷⁷⁰²⁶¹ is an apocalyptic number.

It is an amenable number.

770261 is a deficient number, since it is larger than the sum of its proper divisors (1).

770261 is an equidigital number, since it uses as much as digits as its factorization.

770261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 588, while the sum is 23.

The square root of 770261 is about 877.6451446912. The cubic root of 770261 is about 91.6669193749. Note that the first 3 decimals are identical.

The spelling of 770261 in words is "seven hundred seventy thousand, two hundred sixty-one".