431473597 has 2 divisors, whose sum is σ = 431473598. Its totient is φ = 431473596.

The previous prime is 431473573. The next prime is 431473607. The reversal of 431473597 is 795374134.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 285812836 + 145660761 = 16906^2 + 12069^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-431473597 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (431473547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 215736798 + 215736799.

It is an arithmetic number, because the mean of its divisors is an integer number (215736799).

Almost surely, 2^431473597 is an apocalyptic number.

It is an amenable number.

431473597 is a deficient number, since it is larger than the sum of its proper divisors (1).

431473597 is an equidigital number, since it uses as much as digits as its factorization.

431473597 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 317520, while the sum is 43.

The square root of 431473597 is about 20771.9425427667. The cubic root of 431473597 is about 755.6454559606.

The spelling of 431473597 in words is "four hundred thirty-one million, four hundred seventy-three thousand, five hundred ninety-seven".