4573997 has 2 divisors, whose sum is σ = 4573998. Its totient is φ = 4573996.

The previous prime is 4573991. The next prime is 4573999. The reversal of 4573997 is 7993754.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3924361 + 649636 = 1981^2 + 806^2 .

It is a cyclic number.

It is not a de Polignac number, because 4573997 - 2⁴ = 4573981 is a prime.

Together with 4573999, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4573991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2286998 + 2286999.

It is an arithmetic number, because the mean of its divisors is an integer number (2286999).

Almost surely, 2^4573997 is an apocalyptic number.

It is an amenable number.

4573997 is a deficient number, since it is larger than the sum of its proper divisors (1).

4573997 is an equidigital number, since it uses as much as digits as its factorization.

4573997 is an evil number, because the sum of its binary digits is even.

The product of its digits is 238140, while the sum is 44.

The square root of 4573997 is about 2138.6904871907. The cubic root of 4573997 is about 165.9963830440.

The spelling of 4573997 in words is "four million, five hundred seventy-three thousand, nine hundred ninety-seven".