973242287 has 2 divisors, whose sum is σ = 973242288. Its totient is φ = 973242286.

The previous prime is 973242247. The next prime is 973242293. The reversal of 973242287 is 782242379.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 973242287 - 2¹² = 973238191 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (973242247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 486621143 + 486621144.

It is an arithmetic number, because the mean of its divisors is an integer number (486621144).

Almost surely, 2^973242287 is an apocalyptic number.

973242287 is a deficient number, since it is larger than the sum of its proper divisors (1).

973242287 is an equidigital number, since it uses as much as digits as its factorization.

973242287 is an evil number, because the sum of its binary digits is even.

The product of its digits is 338688, while the sum is 44.

The square root of 973242287 is about 31196.8313615341. The cubic root of 973242287 is about 991.0000054306. Note that the first 5 decimals are identical.

The spelling of 973242287 in words is "nine hundred seventy-three million, two hundred forty-two thousand, two hundred eighty-seven".