43097969 has 2 divisors, whose sum is σ = 43097970. Its totient is φ = 43097968.

The previous prime is 43097963. The next prime is 43098001. The reversal of 43097969 is 96979034.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39438400 + 3659569 = 6280^2 + 1913^2 .

It is a cyclic number.

It is not a de Polignac number, because 43097969 - 2⁴ = 43097953 is a prime.

It is a super-2 number, since 2×43097969² = 3714869863849922, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (43097963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21548984 + 21548985.

It is an arithmetic number, because the mean of its divisors is an integer number (21548985).

Almost surely, 2^43097969 is an apocalyptic number.

It is an amenable number.

43097969 is a deficient number, since it is larger than the sum of its proper divisors (1).

43097969 is an equidigital number, since it uses as much as digits as its factorization.

43097969 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 367416, while the sum is 47.

The square root of 43097969 is about 6564.9043405064. The cubic root of 43097969 is about 350.6056696607.

The spelling of 43097969 in words is "forty-three million, ninety-seven thousand, nine hundred sixty-nine".