45247 has 2 divisors, whose sum is σ = 45248. Its totient is φ = 45246.

The previous prime is 45233. The next prime is 45259. The reversal of 45247 is 74254.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 45247 - 2⁷ = 45119 is a prime.

It is a Chen prime.

It is a plaindrome in base 12 and base 14.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (48247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22623 + 22624.

It is an arithmetic number, because the mean of its divisors is an integer number (22624).

2⁴⁵²⁴⁷ is an apocalyptic number.

45247 is a deficient number, since it is larger than the sum of its proper divisors (1).

45247 is an equidigital number, since it uses as much as digits as its factorization.

45247 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1120, while the sum is 22.

The square root of 45247 is about 212.7134222375. The cubic root of 45247 is about 35.6338923119.

It can be divided in two parts, 45 and 247, that added together give a palindrome (292).

The spelling of 45247 in words is "forty-five thousand, two hundred forty-seven".