1016321507 has 2 divisors, whose sum is σ = 1016321508. Its totient is φ = 1016321506.

The previous prime is 1016321483. The next prime is 1016321519. The reversal of 1016321507 is 7051236101.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1016321507 - 2²⁰ = 1015272931 is a prime.

It is not a weakly prime, because it can be changed into another prime (1016321597) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 508160753 + 508160754.

It is an arithmetic number, because the mean of its divisors is an integer number (508160754).

Almost surely, 2^1016321507 is an apocalyptic number.

1016321507 is a deficient number, since it is larger than the sum of its proper divisors (1).

1016321507 is an equidigital number, since it uses as much as digits as its factorization.

1016321507 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1260, while the sum is 26.

The square root of 1016321507 is about 31879.7977879409. The cubic root of 1016321507 is about 1005.4111687715.

Adding to 1016321507 its reverse (7051236101), we get a palindrome (8067557608).

The spelling of 1016321507 in words is "one billion, sixteen million, three hundred twenty-one thousand, five hundred seven".