2991453 has 4 divisors (see below), whose sum is σ = 3988608. Its totient is φ = 1994300.

The previous prime is 2991451. The next prime is 2991463. The reversal of 2991453 is 3541992.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2991453 - 2¹ = 2991451 is a prime.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2991451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 498573 + ... + 498578.

It is an arithmetic number, because the mean of its divisors is an integer number (997152).

2^2991453 is an apocalyptic number.

It is an amenable number.

2991453 is a deficient number, since it is larger than the sum of its proper divisors (997155).

2991453 is an equidigital number, since it uses as much as digits as its factorization.

2991453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 997154.

The product of its digits is 9720, while the sum is 33.

The square root of 2991453 is about 1729.5817413467. The cubic root of 2991453 is about 144.0878611186.

The spelling of 2991453 in words is "two million, nine hundred ninety-one thousand, four hundred fifty-three".