4513997 has 2 divisors, whose sum is σ = 4513998. Its totient is φ = 4513996.

The previous prime is 4513987. The next prime is 4514023. The reversal of 4513997 is 7993154.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4301476 + 212521 = 2074^2 + 461^2 .

It is a cyclic number.

It is not a de Polignac number, because 4513997 - 2⁶ = 4513933 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4513997.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4513987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2256998 + 2256999.

It is an arithmetic number, because the mean of its divisors is an integer number (2256999).

Almost surely, 2^4513997 is an apocalyptic number.

It is an amenable number.

4513997 is a deficient number, since it is larger than the sum of its proper divisors (1).

4513997 is an equidigital number, since it uses as much as digits as its factorization.

4513997 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34020, while the sum is 38.

The square root of 4513997 is about 2124.6169066446. The cubic root of 4513997 is about 165.2673596291.

The spelling of 4513997 in words is "four million, five hundred thirteen thousand, nine hundred ninety-seven".