493971307 has 2 divisors, whose sum is σ = 493971308. Its totient is φ = 493971306.

The previous prime is 493971277. The next prime is 493971311. The reversal of 493971307 is 703179394.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 493971307 - 2²⁷ = 359753579 is a prime.

It is not a weakly prime, because it can be changed into another prime (493971347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 246985653 + 246985654.

It is an arithmetic number, because the mean of its divisors is an integer number (246985654).

Almost surely, 2^493971307 is an apocalyptic number.

493971307 is a deficient number, since it is larger than the sum of its proper divisors (1).

493971307 is an equidigital number, since it uses as much as digits as its factorization.

493971307 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 142884, while the sum is 43.

The square root of 493971307 is about 22225.4652819688. The cubic root of 493971307 is about 790.4976339108.

The spelling of 493971307 in words is "four hundred ninety-three million, nine hundred seventy-one thousand, three hundred seven".