24397973 has 2 divisors, whose sum is σ = 24397974. Its totient is φ = 24397972.

The previous prime is 24397949. The next prime is 24397979. The reversal of 24397973 is 37979342.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22108804 + 2289169 = 4702^2 + 1513^2 .

It is a cyclic number.

It is not a de Polignac number, because 24397973 - 2¹² = 24393877 is a prime.

It is a super-4 number, since 4×24397973⁴ (a number of 31 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (24397979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12198986 + 12198987.

It is an arithmetic number, because the mean of its divisors is an integer number (12198987).

Almost surely, 2^24397973 is an apocalyptic number.

It is an amenable number.

24397973 is a deficient number, since it is larger than the sum of its proper divisors (1).

24397973 is an equidigital number, since it uses as much as digits as its factorization.

24397973 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 285768, while the sum is 44.

The square root of 24397973 is about 4939.4304327523. The cubic root of 24397973 is about 290.0355604431.

The spelling of 24397973 in words is "twenty-four million, three hundred ninety-seven thousand, nine hundred seventy-three".