497292409 has 2 divisors, whose sum is σ = 497292410. Its totient is φ = 497292408.

The previous prime is 497292391. The next prime is 497292413. The reversal of 497292409 is 904292794.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 485541225 + 11751184 = 22035^2 + 3428^2 .

It is a cyclic number.

It is not a de Polignac number, because 497292409 - 2⁹ = 497291897 is a prime.

It is not a weakly prime, because it can be changed into another prime (497299409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 248646204 + 248646205.

It is an arithmetic number, because the mean of its divisors is an integer number (248646205).

Almost surely, 2^497292409 is an apocalyptic number.

It is an amenable number.

497292409 is a deficient number, since it is larger than the sum of its proper divisors (1).

497292409 is an equidigital number, since it uses as much as digits as its factorization.

497292409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 326592, while the sum is 46.

The square root of 497292409 is about 22300.0540133875. The cubic root of 497292409 is about 792.2652545053.

The spelling of 497292409 in words is "four hundred ninety-seven million, two hundred ninety-two thousand, four hundred nine".