4545197 has 2 divisors, whose sum is σ = 4545198. Its totient is φ = 4545196.

The previous prime is 4545193. The next prime is 4545209. The reversal of 4545197 is 7915454.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2292196 + 2253001 = 1514^2 + 1501^2 .

It is a cyclic number.

It is not a de Polignac number, because 4545197 - 2² = 4545193 is a prime.

It is a plaindrome in base 16.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4545193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2272598 + 2272599.

It is an arithmetic number, because the mean of its divisors is an integer number (2272599).

Almost surely, 2^4545197 is an apocalyptic number.

It is an amenable number.

4545197 is a deficient number, since it is larger than the sum of its proper divisors (1).

4545197 is an equidigital number, since it uses as much as digits as its factorization.

4545197 is an evil number, because the sum of its binary digits is even.

The product of its digits is 25200, while the sum is 35.

The square root of 4545197 is about 2131.9467629376. The cubic root of 4545197 is about 165.6472525934.

The spelling of 4545197 in words is "four million, five hundred forty-five thousand, one hundred ninety-seven".