803553497 has 2 divisors, whose sum is σ = 803553498. Its totient is φ = 803553496.

The previous prime is 803553479. The next prime is 803553503. The reversal of 803553497 is 794355308.

Together with previous prime (803553479) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 796876441 + 6677056 = 28229^2 + 2584^2 .

It is a cyclic number.

It is not a de Polignac number, because 803553497 - 2⁸ = 803553241 is a prime.

It is not a weakly prime, because it can be changed into another prime (803553097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 401776748 + 401776749.

It is an arithmetic number, because the mean of its divisors is an integer number (401776749).

Almost surely, 2^803553497 is an apocalyptic number.

It is an amenable number.

803553497 is a deficient number, since it is larger than the sum of its proper divisors (1).

803553497 is an equidigital number, since it uses as much as digits as its factorization.

803553497 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 453600, while the sum is 44.

The square root of 803553497 is about 28347.0191907368. The cubic root of 803553497 is about 929.6902259612.

The spelling of 803553497 in words is "eight hundred three million, five hundred fifty-three thousand, four hundred ninety-seven".