1504320997 has 2 divisors, whose sum is σ = 1504320998. Its totient is φ = 1504320996.

The previous prime is 1504320977. The next prime is 1504321043. The reversal of 1504320997 is 7990234051.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1113823876 + 390497121 = 33374^2 + 19761^2 .

It is an emirp because it is prime and its reverse (7990234051) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1504320997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1504320947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 752160498 + 752160499.

It is an arithmetic number, because the mean of its divisors is an integer number (752160499).

Almost surely, 2^1504320997 is an apocalyptic number.

It is an amenable number.

1504320997 is a deficient number, since it is larger than the sum of its proper divisors (1).

1504320997 is an equidigital number, since it uses as much as digits as its factorization.

1504320997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 68040, while the sum is 40.

The square root of 1504320997 is about 38785.5771776056. The cubic root of 1504320997 is about 1145.8123680742.

The spelling of 1504320997 in words is "one billion, five hundred four million, three hundred twenty thousand, nine hundred ninety-seven".