47249453 has 4 divisors (see below), whose sum is σ = 47263260. Its totient is φ = 47235648.

The previous prime is 47249437. The next prime is 47249459. The reversal of 47249453 is 35494274.

47249453 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 17623204 + 29626249 = 4198^2 + 5443^2 .

It is a cyclic number.

It is not a de Polignac number, because 47249453 - 2⁴ = 47249437 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47249459) 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, 2501 + ... + 10037.

It is an arithmetic number, because the mean of its divisors is an integer number (11815815).

Almost surely, 2^47249453 is an apocalyptic number.

It is an amenable number.

47249453 is a deficient number, since it is larger than the sum of its proper divisors (13807).

47249453 is an equidigital number, since it uses as much as digits as its factorization.

47249453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13806.

The product of its digits is 120960, while the sum is 38.

The square root of 47249453 is about 6873.8237539233. The cubic root of 47249453 is about 361.5199445438.

The spelling of 47249453 in words is "forty-seven million, two hundred forty-nine thousand, four hundred fifty-three".