4515997 has 2 divisors, whose sum is σ = 4515998. Its totient is φ = 4515996.

The previous prime is 4515943. The next prime is 4516003. The reversal of 4515997 is 7995154.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3463321 + 1052676 = 1861^2 + 1026^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4515997 is a prime.

4515997 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4515937) 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, 2257998 + 2257999.

It is an arithmetic number, because the mean of its divisors is an integer number (2257999).

Almost surely, 2^4515997 is an apocalyptic number.

It is an amenable number.

4515997 is a deficient number, since it is larger than the sum of its proper divisors (1).

4515997 is an equidigital number, since it uses as much as digits as its factorization.

4515997 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 56700, while the sum is 40.

The square root of 4515997 is about 2125.0875276092. The cubic root of 4515997 is about 165.2917641583.

The spelling of 4515997 in words is "four million, five hundred fifteen thousand, nine hundred ninety-seven".