524997947 has 2 divisors, whose sum is σ = 524997948. Its totient is φ = 524997946.

The previous prime is 524997883. The next prime is 524997983. The reversal of 524997947 is 749799425.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 524997947 - 2⁶ = 524997883 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 524997892 and 524997901.

It is not a weakly prime, because it can be changed into another prime (524997647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 262498973 + 262498974.

It is an arithmetic number, because the mean of its divisors is an integer number (262498974).

Almost surely, 2^524997947 is an apocalyptic number.

524997947 is a deficient number, since it is larger than the sum of its proper divisors (1).

524997947 is an equidigital number, since it uses as much as digits as its factorization.

524997947 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5715360, while the sum is 56.

The square root of 524997947 is about 22912.8336746025. The cubic root of 524997947 is about 806.7132714652.

The spelling of 524997947 in words is "five hundred twenty-four million, nine hundred ninety-seven thousand, nine hundred forty-seven".