43089461 has 2 divisors, whose sum is σ = 43089462. Its totient is φ = 43089460.

The previous prime is 43089457. The next prime is 43089463. The reversal of 43089461 is 16498034.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 31427236 + 11662225 = 5606^2 + 3415^2 .

It is a cyclic number.

It is not a de Polignac number, because 43089461 - 2² = 43089457 is a prime.

It is a super-3 number, since 3×43089461³ (a number of 24 digits) contains 333 as substring.

Together with 43089463, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43089463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21544730 + 21544731.

It is an arithmetic number, because the mean of its divisors is an integer number (21544731).

Almost surely, 2^43089461 is an apocalyptic number.

It is an amenable number.

43089461 is a deficient number, since it is larger than the sum of its proper divisors (1).

43089461 is an equidigital number, since it uses as much as digits as its factorization.

43089461 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 43089461 is about 6564.2563173599. The cubic root of 43089461 is about 350.5825970394.

The spelling of 43089461 in words is "forty-three million, eighty-nine thousand, four hundred sixty-one".