431446453 has 2 divisors, whose sum is σ = 431446454. Its totient is φ = 431446452.

The previous prime is 431446423. The next prime is 431446459. The reversal of 431446453 is 354644134.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 279491524 + 151954929 = 16718^2 + 12327^2 .

It is a cyclic number.

It is not a de Polignac number, because 431446453 - 2²¹ = 429349301 is a prime.

It is a super-2 number, since 2×431446453² = 372292083612562418, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (431446459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 215723226 + 215723227.

It is an arithmetic number, because the mean of its divisors is an integer number (215723227).

Almost surely, 2^431446453 is an apocalyptic number.

It is an amenable number.

431446453 is a deficient number, since it is larger than the sum of its proper divisors (1).

431446453 is an equidigital number, since it uses as much as digits as its factorization.

431446453 is an evil number, because the sum of its binary digits is even.

The product of its digits is 69120, while the sum is 34.

The square root of 431446453 is about 20771.2891511336. The cubic root of 431446453 is about 755.6296097454.

The spelling of 431446453 in words is "four hundred thirty-one million, four hundred forty-six thousand, four hundred fifty-three".