523463449 has 2 divisors, whose sum is σ = 523463450. Its totient is φ = 523463448.

The previous prime is 523463411. The next prime is 523463497. The reversal of 523463449 is 944364325.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 512207424 + 11256025 = 22632^2 + 3355^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-523463449 is a prime.

It is not a weakly prime, because it can be changed into another prime (523463249) 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, 261731724 + 261731725.

It is an arithmetic number, because the mean of its divisors is an integer number (261731725).

Almost surely, 2^523463449 is an apocalyptic number.

It is an amenable number.

523463449 is a deficient number, since it is larger than the sum of its proper divisors (1).

523463449 is an equidigital number, since it uses as much as digits as its factorization.

523463449 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 311040, while the sum is 40.

The square root of 523463449 is about 22879.3236132540. The cubic root of 523463449 is about 805.9265331917.

The spelling of 523463449 in words is "five hundred twenty-three million, four hundred sixty-three thousand, four hundred forty-nine".