4550431 has 2 divisors, whose sum is σ = 4550432. Its totient is φ = 4550430.

The previous prime is 4550411. The next prime is 4550449. The reversal of 4550431 is 1340554.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4550431 is a prime.

It is a super-2 number, since 2×4550431² = 41412844571522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4550401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2275215 + 2275216.

It is an arithmetic number, because the mean of its divisors is an integer number (2275216).

Almost surely, 2^4550431 is an apocalyptic number.

4550431 is a deficient number, since it is larger than the sum of its proper divisors (1).

4550431 is an equidigital number, since it uses as much as digits as its factorization.

4550431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 4550431 is about 2133.1739263361. The cubic root of 4550431 is about 165.7108116380.

Adding to 4550431 its reverse (1340554), we get a palindrome (5890985).

The spelling of 4550431 in words is "four million, five hundred fifty thousand, four hundred thirty-one".