523825919 has 2 divisors, whose sum is σ = 523825920. Its totient is φ = 523825918.

The previous prime is 523825903. The next prime is 523825937. The reversal of 523825919 is 919528325.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 523825919 - 2⁴ = 523825903 is a prime.

It is a super-2 number, since 2×523825919² = 548787186832389122, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 523825919.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (523825949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 261912959 + 261912960.

It is an arithmetic number, because the mean of its divisors is an integer number (261912960).

Almost surely, 2^523825919 is an apocalyptic number.

523825919 is a deficient number, since it is larger than the sum of its proper divisors (1).

523825919 is an equidigital number, since it uses as much as digits as its factorization.

523825919 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 194400, while the sum is 44.

The square root of 523825919 is about 22887.2435867668. The cubic root of 523825919 is about 806.1125103854.

The spelling of 523825919 in words is "five hundred twenty-three million, eight hundred twenty-five thousand, nine hundred nineteen".