774161 has 2 divisors, whose sum is σ = 774162. Its totient is φ = 774160.

The previous prime is 774149. The next prime is 774173. The reversal of 774161 is 161477.

It is a balanced prime because it is at equal distance from previous prime (774149) and next prime (774173).

It can be written as a sum of positive squares in only one way, i.e., 672400 + 101761 = 820^2 + 319^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-774161 is a prime.

It is a zygodrome in base 3.

It is a self number, because there is not a number n which added to its sum of digits gives 774161.

It is not a weakly prime, because it can be changed into another prime (774131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 387080 + 387081.

It is an arithmetic number, because the mean of its divisors is an integer number (387081).

2⁷⁷⁴¹⁶¹ is an apocalyptic number.

It is an amenable number.

774161 is a deficient number, since it is larger than the sum of its proper divisors (1).

774161 is an equidigital number, since it uses as much as digits as its factorization.

774161 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 774161 is about 879.8641940663. The cubic root of 774161 is about 91.8213688877.

The spelling of 774161 in words is "seven hundred seventy-four thousand, one hundred sixty-one".