726210523 has 2 divisors, whose sum is σ = 726210524. Its totient is φ = 726210522.

The previous prime is 726210509. The next prime is 726210587. The reversal of 726210523 is 325012627.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 726210523 - 2¹³ = 726202331 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 726210491 and 726210500.

It is not a weakly prime, because it can be changed into another prime (726210323) 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, 363105261 + 363105262.

It is an arithmetic number, because the mean of its divisors is an integer number (363105262).

Almost surely, 2^726210523 is an apocalyptic number.

726210523 is a deficient number, since it is larger than the sum of its proper divisors (1).

726210523 is an equidigital number, since it uses as much as digits as its factorization.

726210523 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 726210523 is about 26948.2935081240. The cubic root of 726210523 is about 898.8505997910.

The spelling of 726210523 in words is "seven hundred twenty-six million, two hundred ten thousand, five hundred twenty-three".