433554431 has 2 divisors, whose sum is σ = 433554432. Its totient is φ = 433554430.

The previous prime is 433554391. The next prime is 433554467. The reversal of 433554431 is 134455334.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 433554431 - 2¹⁴ = 433538047 is a prime.

It is a super-2 number, since 2×433554431² = 375938889279467522, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (433554491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 216777215 + 216777216.

It is an arithmetic number, because the mean of its divisors is an integer number (216777216).

Almost surely, 2^433554431 is an apocalyptic number.

433554431 is a deficient number, since it is larger than the sum of its proper divisors (1).

433554431 is an equidigital number, since it uses as much as digits as its factorization.

433554431 is an evil number, because the sum of its binary digits is even.

The product of its digits is 43200, while the sum is 32.

The square root of 433554431 is about 20821.9699116102. The cubic root of 433554431 is about 756.8582392108.

The spelling of 433554431 in words is "four hundred thirty-three million, five hundred fifty-four thousand, four hundred thirty-one".