487694297 has 2 divisors, whose sum is σ = 487694298. Its totient is φ = 487694296.

The previous prime is 487694257. The next prime is 487694309. The reversal of 487694297 is 792496784.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 476810896 + 10883401 = 21836^2 + 3299^2 .

It is a cyclic number.

It is not a de Polignac number, because 487694297 - 2¹⁶ = 487628761 is a prime.

It is not a weakly prime, because it can be changed into another prime (487694227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 243847148 + 243847149.

It is an arithmetic number, because the mean of its divisors is an integer number (243847149).

Almost surely, 2^487694297 is an apocalyptic number.

It is an amenable number.

487694297 is a deficient number, since it is larger than the sum of its proper divisors (1).

487694297 is an equidigital number, since it uses as much as digits as its factorization.

487694297 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6096384, while the sum is 56.

The square root of 487694297 is about 22083.8016881152. The cubic root of 487694297 is about 787.1350035095.

The spelling of 487694297 in words is "four hundred eighty-seven million, six hundred ninety-four thousand, two hundred ninety-seven".