43053653 has 2 divisors, whose sum is σ = 43053654. Its totient is φ = 43053652.

The previous prime is 43053629. The next prime is 43053671. The reversal of 43053653 is 35635034.

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., 24373969 + 18679684 = 4937^2 + 4322^2 .

It is a cyclic number.

It is not a de Polignac number, because 43053653 - 2⁸ = 43053397 is a prime.

It is a Chen prime.

It is equal to p_2607545 and since 43053653 and 2607545 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43053613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21526826 + 21526827.

It is an arithmetic number, because the mean of its divisors is an integer number (21526827).

Almost surely, 2^43053653 is an apocalyptic number.

It is an amenable number.

43053653 is a deficient number, since it is larger than the sum of its proper divisors (1).

43053653 is an equidigital number, since it uses as much as digits as its factorization.

43053653 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16200, while the sum is 29.

The square root of 43053653 is about 6561.5282518633. The cubic root of 43053653 is about 350.4854569625.

Adding to 43053653 its reverse (35635034), we get a palindrome (78688687).

The spelling of 43053653 in words is "forty-three million, fifty-three thousand, six hundred fifty-three".