431214517 has 2 divisors, whose sum is σ = 431214518. Its totient is φ = 431214516.

The previous prime is 431214491. The next prime is 431214521. The reversal of 431214517 is 715412134.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 426587716 + 4626801 = 20654^2 + 2151^2 .

It is a cyclic number.

It is not a de Polignac number, because 431214517 - 2¹⁵ = 431181749 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (431214527) 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, 215607258 + 215607259.

It is an arithmetic number, because the mean of its divisors is an integer number (215607259).

Almost surely, 2^431214517 is an apocalyptic number.

It is an amenable number.

431214517 is a deficient number, since it is larger than the sum of its proper divisors (1).

431214517 is an equidigital number, since it uses as much as digits as its factorization.

431214517 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3360, while the sum is 28.

The square root of 431214517 is about 20765.7053094760. The cubic root of 431214517 is about 755.4941822609.

The spelling of 431214517 in words is "four hundred thirty-one million, two hundred fourteen thousand, five hundred seventeen".