4509451 has 2 divisors, whose sum is σ = 4509452. Its totient is φ = 4509450.

The previous prime is 4509419. The next prime is 4509457. The reversal of 4509451 is 1549054.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4509451 - 2⁵ = 4509419 is a prime.

It is not a weakly prime, because it can be changed into another prime (4509457) 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, 2254725 + 2254726.

It is an arithmetic number, because the mean of its divisors is an integer number (2254726).

Almost surely, 2^4509451 is an apocalyptic number.

4509451 is a deficient number, since it is larger than the sum of its proper divisors (1).

4509451 is an equidigital number, since it uses as much as digits as its factorization.

4509451 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 4509451 is about 2123.5467972239. The cubic root of 4509451 is about 165.2118613077.

The spelling of 4509451 in words is "four million, five hundred nine thousand, four hundred fifty-one".