774031361 has 2 divisors, whose sum is σ = 774031362. Its totient is φ = 774031360.

The previous prime is 774031327. The next prime is 774031393. The reversal of 774031361 is 163130477.

It is an a-pointer prime, because the next prime (774031393) can be obtained adding 774031361 to its sum of digits (32).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 773952400 + 78961 = 27820^2 + 281^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-774031361 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (774031961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 387015680 + 387015681.

It is an arithmetic number, because the mean of its divisors is an integer number (387015681).

Almost surely, 2^774031361 is an apocalyptic number.

It is an amenable number.

774031361 is a deficient number, since it is larger than the sum of its proper divisors (1).

774031361 is an equidigital number, since it uses as much as digits as its factorization.

774031361 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10584, while the sum is 32.

The square root of 774031361 is about 27821.4191047114. The cubic root of 774031361 is about 918.1624321184.

The spelling of 774031361 in words is "seven hundred seventy-four million, thirty-one thousand, three hundred sixty-one".