403313497 has 2 divisors, whose sum is σ = 403313498. Its totient is φ = 403313496.

The previous prime is 403313489. The next prime is 403313501. The reversal of 403313497 is 794313304.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 340919296 + 62394201 = 18464^2 + 7899^2 .

It is a cyclic number.

It is not a de Polignac number, because 403313497 - 2³ = 403313489 is a prime.

It is not a weakly prime, because it can be changed into another prime (403343497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201656748 + 201656749.

It is an arithmetic number, because the mean of its divisors is an integer number (201656749).

Almost surely, 2^403313497 is an apocalyptic number.

It is an amenable number.

403313497 is a deficient number, since it is larger than the sum of its proper divisors (1).

403313497 is an equidigital number, since it uses as much as digits as its factorization.

403313497 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27216, while the sum is 34.

The square root of 403313497 is about 20082.6665809100. Note that the first 3 decimals coincide. The cubic root of 403313497 is about 738.8352122221.

The spelling of 403313497 in words is "four hundred three million, three hundred thirteen thousand, four hundred ninety-seven".