497895641 has 2 divisors, whose sum is σ = 497895642. Its totient is φ = 497895640.

The previous prime is 497895623. The next prime is 497895647. The reversal of 497895641 is 146598794.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 295118041 + 202777600 = 17179^2 + 14240^2 .

It is a cyclic number.

It is not a de Polignac number, because 497895641 - 2¹⁴ = 497879257 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (497895647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 248947820 + 248947821.

It is an arithmetic number, because the mean of its divisors is an integer number (248947821).

Almost surely, 2^497895641 is an apocalyptic number.

It is an amenable number.

497895641 is a deficient number, since it is larger than the sum of its proper divisors (1).

497895641 is an equidigital number, since it uses as much as digits as its factorization.

497895641 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2177280, while the sum is 53.

The square root of 497895641 is about 22313.5752626064. The cubic root of 497895641 is about 792.5854729733.

The spelling of 497895641 in words is "four hundred ninety-seven million, eight hundred ninety-five thousand, six hundred forty-one".