47245273 has 4 divisors (see below), whose sum is σ = 47316148. Its totient is φ = 47174400.

The previous prime is 47245241. The next prime is 47245279. The reversal of 47245273 is 37254274.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 37254274 = 2 ⋅18627137.

It can be written as a sum of positive squares in 2 ways, for example, as 28815424 + 18429849 = 5368^2 + 4293^2 .

It is a cyclic number.

It is not a de Polignac number, because 47245273 - 2⁵ = 47245241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47245279) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34428 + ... + 35773.

It is an arithmetic number, because the mean of its divisors is an integer number (11829037).

Almost surely, 2^47245273 is an apocalyptic number.

It is an amenable number.

47245273 is a deficient number, since it is larger than the sum of its proper divisors (70875).

47245273 is an equidigital number, since it uses as much as digits as its factorization.

47245273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70874.

The product of its digits is 47040, while the sum is 34.

The square root of 47245273 is about 6873.5196951780. The cubic root of 47245273 is about 361.5092834121.

Subtracting from 47245273 its reverse (37254274), we obtain a palindrome (9990999).

The spelling of 47245273 in words is "forty-seven million, two hundred forty-five thousand, two hundred seventy-three".