4540297 has 6 divisors (see below), whose sum is σ = 4792218. Its totient is φ = 4300992.

The previous prime is 4540231. The next prime is 4540303. The reversal of 4540297 is 7920454.

It can be written as a sum of positive squares in only one way, i.e., 4447881 + 92416 = 2109^2 + 304^2 .

It is a de Polignac number, because none of the positive numbers 2^k-4540297 is a prime.

It is a super-2 number, since 2×4540297² = 41228593696418, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4540097) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5928 + ... + 6649.

It is an arithmetic number, because the mean of its divisors is an integer number (798703).

Almost surely, 2^4540297 is an apocalyptic number.

It is an amenable number.

4540297 is a deficient number, since it is larger than the sum of its proper divisors (251921).

4540297 is a wasteful number, since it uses less digits than its factorization.

4540297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12615 (or 12596 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 4540297 is about 2130.7972686297. The cubic root of 4540297 is about 165.5877052375.

The spelling of 4540297 in words is "four million, five hundred forty thousand, two hundred ninety-seven".