43054369 has 2 divisors, whose sum is σ = 43054370. Its totient is φ = 43054368.

The previous prime is 43054327. The next prime is 43054379. The reversal of 43054369 is 96345034.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40768225 + 2286144 = 6385^2 + 1512^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-43054369 is a prime.

It is a super-2 number, since 2×43054369² = 3707357379976322, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is equal to p_2607586 and since 43054369 and 2607586 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (43054379) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21527184 + 21527185.

It is an arithmetic number, because the mean of its divisors is an integer number (21527185).

Almost surely, 2^43054369 is an apocalyptic number.

It is an amenable number.

43054369 is a deficient number, since it is larger than the sum of its proper divisors (1).

43054369 is an equidigital number, since it uses as much as digits as its factorization.

43054369 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 38880, while the sum is 34.

The square root of 43054369 is about 6561.5828120965. The cubic root of 43054369 is about 350.4873998576.

The spelling of 43054369 in words is "forty-three million, fifty-four thousand, three hundred sixty-nine".