783234401 has 2 divisors, whose sum is σ = 783234402. Its totient is φ = 783234400.

The previous prime is 783234317. The next prime is 783234451. The reversal of 783234401 is 104432387.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 761704801 + 21529600 = 27599^2 + 4640^2 .

It is an emirp because it is prime and its reverse (104432387) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 783234401 - 2²⁶ = 716125537 is a prime.

It is a super-2 number, since 2×783234401² = 1226912253819657602, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (783234451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 391617200 + 391617201.

It is an arithmetic number, because the mean of its divisors is an integer number (391617201).

Almost surely, 2^783234401 is an apocalyptic number.

It is an amenable number.

783234401 is a deficient number, since it is larger than the sum of its proper divisors (1).

783234401 is an equidigital number, since it uses as much as digits as its factorization.

783234401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16128, while the sum is 32.

The square root of 783234401 is about 27986.3252500217. The cubic root of 783234401 is about 921.7870122378.

Adding to 783234401 its reverse (104432387), we get a palindrome (887666788).

The spelling of 783234401 in words is "seven hundred eighty-three million, two hundred thirty-four thousand, four hundred one".