1496161321 has 2 divisors, whose sum is σ = 1496161322. Its totient is φ = 1496161320.

The previous prime is 1496161319. The next prime is 1496161333. The reversal of 1496161321 is 1231616941.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1494672921 + 1488400 = 38661^2 + 1220^2 .

It is an emirp because it is prime and its reverse (1231616941) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1496161321 - 2¹ = 1496161319 is a prime.

Together with 1496161319, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1496161351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 748080660 + 748080661.

It is an arithmetic number, because the mean of its divisors is an integer number (748080661).

Almost surely, 2^1496161321 is an apocalyptic number.

It is an amenable number.

1496161321 is a deficient number, since it is larger than the sum of its proper divisors (1).

1496161321 is an equidigital number, since it uses as much as digits as its factorization.

1496161321 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7776, while the sum is 34.

The square root of 1496161321 is about 38680.2445829909. The cubic root of 1496161321 is about 1143.7369216019.

The spelling of 1496161321 in words is "one billion, four hundred ninety-six million, one hundred sixty-one thousand, three hundred twenty-one".