775006433 has 2 divisors, whose sum is σ = 775006434. Its totient is φ = 775006432.

The previous prime is 775006423. The next prime is 775006481. The reversal of 775006433 is 334600577.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 543449344 + 231557089 = 23312^2 + 15217^2 .

It is a cyclic number.

It is not a de Polignac number, because 775006433 - 2⁶ = 775006369 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 775006393 and 775006402.

It is not a weakly prime, because it can be changed into another prime (775006423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 387503216 + 387503217.

It is an arithmetic number, because the mean of its divisors is an integer number (387503217).

Almost surely, 2^775006433 is an apocalyptic number.

It is an amenable number.

775006433 is a deficient number, since it is larger than the sum of its proper divisors (1).

775006433 is an equidigital number, since it uses as much as digits as its factorization.

775006433 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 52920, while the sum is 35.

The square root of 775006433 is about 27838.9373540011. The cubic root of 775006433 is about 918.5478165062.

The spelling of 775006433 in words is "seven hundred seventy-five million, six thousand, four hundred thirty-three".