43342253 has 2 divisors, whose sum is σ = 43342254. Its totient is φ = 43342252.

The previous prime is 43342241. The next prime is 43342259. The reversal of 43342253 is 35224334.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39967684 + 3374569 = 6322^2 + 1837^2 .

It is a cyclic number.

It is not a de Polignac number, because 43342253 - 2¹² = 43338157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43342259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21671126 + 21671127.

It is an arithmetic number, because the mean of its divisors is an integer number (21671127).

Almost surely, 2^43342253 is an apocalyptic number.

It is an amenable number.

43342253 is a deficient number, since it is larger than the sum of its proper divisors (1).

43342253 is an equidigital number, since it uses as much as digits as its factorization.

43342253 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8640, while the sum is 26.

The square root of 43342253 is about 6583.4833485018. The cubic root of 43342253 is about 351.2668457788.

Adding to 43342253 its reverse (35224334), we get a palindrome (78566587).

The spelling of 43342253 in words is "forty-three million, three hundred forty-two thousand, two hundred fifty-three".