43151089 has 2 divisors, whose sum is σ = 43151090. Its totient is φ = 43151088.

The previous prime is 43151081. The next prime is 43151093. The reversal of 43151089 is 98015134.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43125489 + 25600 = 6567^2 + 160^2 .

It is a cyclic number.

It is not a de Polignac number, because 43151089 - 2³ = 43151081 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 43151089.

It is not a weakly prime, because it can be changed into another prime (43151081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21575544 + 21575545.

It is an arithmetic number, because the mean of its divisors is an integer number (21575545).

Almost surely, 2^43151089 is an apocalyptic number.

It is an amenable number.

43151089 is a deficient number, since it is larger than the sum of its proper divisors (1).

43151089 is an equidigital number, since it uses as much as digits as its factorization.

43151089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4320, while the sum is 31.

The square root of 43151089 is about 6568.9488504631. The cubic root of 43151089 is about 350.7496557707.

The spelling of 43151089 in words is "forty-three million, one hundred fifty-one thousand, eighty-nine".