1016321597 has 2 divisors, whose sum is σ = 1016321598. Its totient is φ = 1016321596.

The previous prime is 1016321531. The next prime is 1016321611. The reversal of 1016321597 is 7951236101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 761152921 + 255168676 = 27589^2 + 15974^2 .

It is a cyclic number.

It is not a de Polignac number, because 1016321597 - 2²² = 1012127293 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1016321507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 508160798 + 508160799.

It is an arithmetic number, because the mean of its divisors is an integer number (508160799).

Almost surely, 2^1016321597 is an apocalyptic number.

It is an amenable number.

1016321597 is a deficient number, since it is larger than the sum of its proper divisors (1).

1016321597 is an equidigital number, since it uses as much as digits as its factorization.

1016321597 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11340, while the sum is 35.

The square root of 1016321597 is about 31879.7991994931. The cubic root of 1016321597 is about 1005.4111984494.

Adding to 1016321597 its reverse (7951236101), we get a palindrome (8967557698).

The spelling of 1016321597 in words is "one billion, sixteen million, three hundred twenty-one thousand, five hundred ninety-seven".