523790749 has 2 divisors, whose sum is σ = 523790750. Its totient is φ = 523790748.

The previous prime is 523790737. The next prime is 523790797. The reversal of 523790749 is 947097325.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 521802649 + 1988100 = 22843^2 + 1410^2 .

It is a cyclic number.

It is not a de Polignac number, because 523790749 - 2¹⁹ = 523266461 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 523790699 and 523790708.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (523760749) 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, 261895374 + 261895375.

It is an arithmetic number, because the mean of its divisors is an integer number (261895375).

Almost surely, 2^523790749 is an apocalyptic number.

It is an amenable number.

523790749 is a deficient number, since it is larger than the sum of its proper divisors (1).

523790749 is an equidigital number, since it uses as much as digits as its factorization.

523790749 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 476280, while the sum is 46.

The square root of 523790749 is about 22886.4752419415. The cubic root of 523790749 is about 806.0944690155.

The spelling of 523790749 in words is "five hundred twenty-three million, seven hundred ninety thousand, seven hundred forty-nine".