43097261 has 8 divisors (see below), whose sum is σ = 46604160. Its totient is φ = 39698368.

The previous prime is 43097237. The next prime is 43097269. The reversal of 43097261 is 16279034.

43097261 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 43097261 - 2²² = 38902957 is a prime.

It is a Duffinian number.

It is a plaindrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43097269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26171 + ... + 27768.

It is an arithmetic number, because the mean of its divisors is an integer number (5825520).

Almost surely, 2^43097261 is an apocalyptic number.

It is an amenable number.

43097261 is a deficient number, since it is larger than the sum of its proper divisors (3506899).

43097261 is a wasteful number, since it uses less digits than its factorization.

43097261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54003.

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 43097261 is about 6564.8504171839. The cubic root of 43097261 is about 350.6037497699.

The spelling of 43097261 in words is "forty-three million, ninety-seven thousand, two hundred sixty-one".