43481077 has 2 divisors, whose sum is σ = 43481078. Its totient is φ = 43481076.

The previous prime is 43481071. The next prime is 43481093. The reversal of 43481077 is 77018434.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33074001 + 10407076 = 5751^2 + 3226^2 .

It is a cyclic number.

It is not a de Polignac number, because 43481077 - 2¹⁵ = 43448309 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43481071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21740538 + 21740539.

It is an arithmetic number, because the mean of its divisors is an integer number (21740539).

Almost surely, 2^43481077 is an apocalyptic number.

It is an amenable number.

43481077 is a deficient number, since it is larger than the sum of its proper divisors (1).

43481077 is an equidigital number, since it uses as much as digits as its factorization.

43481077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18816, while the sum is 34.

The square root of 43481077 is about 6594.0182741633. The cubic root of 43481077 is about 351.6414786459.

The spelling of 43481077 in words is "forty-three million, four hundred eighty-one thousand, seventy-seven".