771461 has 2 divisors, whose sum is σ = 771462. Its totient is φ = 771460.

The previous prime is 771439. The next prime is 771473. The reversal of 771461 is 164177.

771461 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., 616225 + 155236 = 785^2 + 394^2 .

It is a cyclic number.

It is not a de Polignac number, because 771461 - 2¹⁰ = 770437 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 771461.

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 771461.

It is not a weakly prime, because it can be changed into another prime (771401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 385730 + 385731.

It is an arithmetic number, because the mean of its divisors is an integer number (385731).

2⁷⁷¹⁴⁶¹ is an apocalyptic number.

It is an amenable number.

771461 is a deficient number, since it is larger than the sum of its proper divisors (1).

771461 is an equidigital number, since it uses as much as digits as its factorization.

771461 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1176, while the sum is 26.

The square root of 771461 is about 878.3285262361. The cubic root of 771461 is about 91.7144977191.

The spelling of 771461 in words is "seven hundred seventy-one thousand, four hundred sixty-one".