496447321 has 2 divisors, whose sum is σ = 496447322. Its totient is φ = 496447320.

The previous prime is 496447291. The next prime is 496447349. The reversal of 496447321 is 123744694.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 469198921 + 27248400 = 21661^2 + 5220^2 .

It is a cyclic number.

It is not a de Polignac number, because 496447321 - 2¹³ = 496439129 is a prime.

It is not a weakly prime, because it can be changed into another prime (496447351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 248223660 + 248223661.

It is an arithmetic number, because the mean of its divisors is an integer number (248223661).

Almost surely, 2^496447321 is an apocalyptic number.

It is an amenable number.

496447321 is a deficient number, since it is larger than the sum of its proper divisors (1).

496447321 is an equidigital number, since it uses as much as digits as its factorization.

496447321 is an evil number, because the sum of its binary digits is even.

The product of its digits is 145152, while the sum is 40.

The square root of 496447321 is about 22281.0978409952. The cubic root of 496447321 is about 791.8162138808.

It can be divided in two parts, 49644 and 7321, that added together give a palindrome (56965).

The spelling of 496447321 in words is "four hundred ninety-six million, four hundred forty-seven thousand, three hundred twenty-one".