523036919 has 2 divisors, whose sum is σ = 523036920. Its totient is φ = 523036918.

The previous prime is 523036861. The next prime is 523036931. The reversal of 523036919 is 919630325.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-523036919 is a prime.

It is a super-2 number, since 2×523036919² = 547135237274025122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (523036949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 261518459 + 261518460.

It is an arithmetic number, because the mean of its divisors is an integer number (261518460).

Almost surely, 2^523036919 is an apocalyptic number.

523036919 is a deficient number, since it is larger than the sum of its proper divisors (1).

523036919 is an equidigital number, since it uses as much as digits as its factorization.

523036919 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 43740, while the sum is 38.

The square root of 523036919 is about 22870.0004153913. Note that the first 3 decimals coincide. The cubic root of 523036919 is about 805.7075779155.

The spelling of 523036919 in words is "five hundred twenty-three million, thirty-six thousand, nine hundred nineteen".