43361597 has 2 divisors, whose sum is σ = 43361598. Its totient is φ = 43361596.

The previous prime is 43361581. The next prime is 43361609. The reversal of 43361597 is 79516334.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40691641 + 2669956 = 6379^2 + 1634^2 .

It is a cyclic number.

It is not a de Polignac number, because 43361597 - 2⁴ = 43361581 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 43361597.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43361537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21680798 + 21680799.

It is an arithmetic number, because the mean of its divisors is an integer number (21680799).

Almost surely, 2^43361597 is an apocalyptic number.

It is an amenable number.

43361597 is a deficient number, since it is larger than the sum of its proper divisors (1).

43361597 is an equidigital number, since it uses as much as digits as its factorization.

43361597 is an evil number, because the sum of its binary digits is even.

The product of its digits is 68040, while the sum is 38.

The square root of 43361597 is about 6584.9523156968. The cubic root of 43361597 is about 351.3190957564.

The spelling of 43361597 in words is "forty-three million, three hundred sixty-one thousand, five hundred ninety-seven".