973242247 has 2 divisors, whose sum is σ = 973242248. Its totient is φ = 973242246.

The previous prime is 973242211. The next prime is 973242287. The reversal of 973242247 is 742242379.

It is an a-pointer prime, because the next prime (973242287) can be obtained adding 973242247 to its sum of digits (40).

It is a weak prime.

It is an emirp because it is prime and its reverse (742242379) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 973242247 - 2¹⁹ = 972717959 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (973242287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 486621123 + 486621124.

It is an arithmetic number, because the mean of its divisors is an integer number (486621124).

Almost surely, 2^973242247 is an apocalyptic number.

973242247 is a deficient number, since it is larger than the sum of its proper divisors (1).

973242247 is an equidigital number, since it uses as much as digits as its factorization.

973242247 is an evil number, because the sum of its binary digits is even.

The product of its digits is 169344, while the sum is 40.

The square root of 973242247 is about 31196.8307204434. The cubic root of 973242247 is about 990.9999918540. Note that the first 5 decimals are identical.

The spelling of 973242247 in words is "nine hundred seventy-three million, two hundred forty-two thousand, two hundred forty-seven".