774552131 has 2 divisors, whose sum is σ = 774552132. Its totient is φ = 774552130.

The previous prime is 774552091. The next prime is 774552139. The reversal of 774552131 is 131255477.

774552131 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 is a cyclic number.

It is not a de Polignac number, because 774552131 - 2¹⁴ = 774535747 is a prime.

It is a super-2 number, since 2×774552131² = 1199862007273282322, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 774552091 and 774552100.

It is not a weakly prime, because it can be changed into another prime (774552139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 387276065 + 387276066.

It is an arithmetic number, because the mean of its divisors is an integer number (387276066).

Almost surely, 2^774552131 is an apocalyptic number.

774552131 is a deficient number, since it is larger than the sum of its proper divisors (1).

774552131 is an equidigital number, since it uses as much as digits as its factorization.

774552131 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 29400, while the sum is 35.

The square root of 774552131 is about 27830.7766869701. The cubic root of 774552131 is about 918.3682998563.

The spelling of 774552131 in words is "seven hundred seventy-four million, five hundred fifty-two thousand, one hundred thirty-one".