775482493 has 2 divisors, whose sum is σ = 775482494. Its totient is φ = 775482492.

The previous prime is 775482451. The next prime is 775482517. The reversal of 775482493 is 394284577.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 555167844 + 220314649 = 23562^2 + 14843^2 .

It is a cyclic number.

It is not a de Polignac number, because 775482493 - 2⁹ = 775481981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (775482413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 387741246 + 387741247.

It is an arithmetic number, because the mean of its divisors is an integer number (387741247).

Almost surely, 2^775482493 is an apocalyptic number.

It is an amenable number.

775482493 is a deficient number, since it is larger than the sum of its proper divisors (1).

775482493 is an equidigital number, since it uses as much as digits as its factorization.

775482493 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1693440, while the sum is 49.

The square root of 775482493 is about 27847.4862958939. The cubic root of 775482493 is about 918.7358555337.

The spelling of 775482493 in words is "seven hundred seventy-five million, four hundred eighty-two thousand, four hundred ninety-three".