43053431 has 2 divisors, whose sum is σ = 43053432. Its totient is φ = 43053430.

The previous prime is 43053427. The next prime is 43053433. The reversal of 43053431 is 13435034.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 43053431 - 2² = 43053427 is a prime.

It is a super-2 number, since 2×43053431² = 3707195841743522, which contains 22 as substring.

Together with 43053433, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 43053397 and 43053406.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43053433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21526715 + 21526716.

It is an arithmetic number, because the mean of its divisors is an integer number (21526716).

Almost surely, 2^43053431 is an apocalyptic number.

43053431 is a deficient number, since it is larger than the sum of its proper divisors (1).

43053431 is an equidigital number, since it uses as much as digits as its factorization.

43053431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 43053431 is about 6561.5113350508. The cubic root of 43053431 is about 350.4848545521.

Adding to 43053431 its reverse (13435034), we get a palindrome (56488465).

The spelling of 43053431 in words is "forty-three million, fifty-three thousand, four hundred thirty-one".