523250947 has 2 divisors, whose sum is σ = 523250948. Its totient is φ = 523250946.

The previous prime is 523250921. The next prime is 523250951. The reversal of 523250947 is 749052325.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 523250947 - 2²³ = 514862339 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is not a weakly prime, because it can be changed into another prime (523250047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 261625473 + 261625474.

It is an arithmetic number, because the mean of its divisors is an integer number (261625474).

Almost surely, 2^523250947 is an apocalyptic number.

523250947 is a deficient number, since it is larger than the sum of its proper divisors (1).

523250947 is an equidigital number, since it uses as much as digits as its factorization.

523250947 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 75600, while the sum is 37.

The square root of 523250947 is about 22874.6791671490. The cubic root of 523250947 is about 805.8174621060.

The spelling of 523250947 in words is "five hundred twenty-three million, two hundred fifty thousand, nine hundred forty-seven".