4530649 has 2 divisors, whose sum is σ = 4530650. Its totient is φ = 4530648.

The previous prime is 4530637. The next prime is 4530667. The reversal of 4530649 is 9460354.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2822400 + 1708249 = 1680^2 + 1307^2 .

It is a cyclic number.

It is not a de Polignac number, because 4530649 - 2¹³ = 4522457 is a prime.

It is a super-2 number, since 2×4530649² = 41053560722402, which contains 22 as substring.

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 4530649.

It is not a weakly prime, because it can be changed into another prime (4530629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2265324 + 2265325.

It is an arithmetic number, because the mean of its divisors is an integer number (2265325).

Almost surely, 2^4530649 is an apocalyptic number.

It is an amenable number.

4530649 is a deficient number, since it is larger than the sum of its proper divisors (1).

4530649 is an equidigital number, since it uses as much as digits as its factorization.

4530649 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 4530649 is about 2128.5321233188. The cubic root of 4530649 is about 165.4703323631.

The spelling of 4530649 in words is "four million, five hundred thirty thousand, six hundred forty-nine".