774131 has 2 divisors, whose sum is σ = 774132. Its totient is φ = 774130.

The previous prime is 774127. The next prime is 774133. The reversal of 774131 is 131477.

It is a strong prime.

It is an emirp because it is prime and its reverse (131477) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 774131 - 2² = 774127 is a prime.

It is a super-2 number, since 2×774131² = 1198557610322, which contains 22 as substring.

Together with 774133, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 774097 and 774106.

It is not a weakly prime, because it can be changed into another prime (774133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 387065 + 387066.

It is an arithmetic number, because the mean of its divisors is an integer number (387066).

2⁷⁷⁴¹³¹ is an apocalyptic number.

774131 is a deficient number, since it is larger than the sum of its proper divisors (1).

774131 is an equidigital number, since it uses as much as digits as its factorization.

774131 is an odious number, because the sum of its binary digits is odd.

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

The square root of 774131 is about 879.8471458157. The cubic root of 774131 is about 91.8201827965.

The spelling of 774131 in words is "seven hundred seventy-four thousand, one hundred thirty-one".