43373797 has 2 divisors, whose sum is σ = 43373798. Its totient is φ = 43373796.

The previous prime is 43373779. The next prime is 43373801. The reversal of 43373797 is 79737334.

Together with previous prime (43373779) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22268961 + 21104836 = 4719^2 + 4594^2 .

It is a cyclic number.

It is not a de Polignac number, because 43373797 - 2¹⁹ = 42849509 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43373717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21686898 + 21686899.

It is an arithmetic number, because the mean of its divisors is an integer number (21686899).

Almost surely, 2^43373797 is an apocalyptic number.

It is an amenable number.

43373797 is a deficient number, since it is larger than the sum of its proper divisors (1).

43373797 is an equidigital number, since it uses as much as digits as its factorization.

43373797 is an evil number, because the sum of its binary digits is even.

The product of its digits is 333396, while the sum is 43.

The square root of 43373797 is about 6585.8786050154. The cubic root of 43373797 is about 351.3520411224.

The spelling of 43373797 in words is "forty-three million, three hundred seventy-three thousand, seven hundred ninety-seven".