9049451 has 2 divisors, whose sum is σ = 9049452. Its totient is φ = 9049450.

The previous prime is 9049441. The next prime is 9049471. The reversal of 9049451 is 1549409.

It is a weak prime.

It is an emirp because it is prime and its reverse (1549409) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9049451 - 2¹⁸ = 8787307 is a prime.

It is not a weakly prime, because it can be changed into another prime (9049441) 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, 4524725 + 4524726.

It is an arithmetic number, because the mean of its divisors is an integer number (4524726).

Almost surely, 2^9049451 is an apocalyptic number.

9049451 is a deficient number, since it is larger than the sum of its proper divisors (1).

9049451 is an equidigital number, since it uses as much as digits as its factorization.

9049451 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 9049451 is about 3008.2305430269. The cubic root of 9049451 is about 208.3886578757.

The spelling of 9049451 in words is "nine million, forty-nine thousand, four hundred fifty-one".