2012321537 has 2 divisors, whose sum is σ = 2012321538. Its totient is φ = 2012321536.

The previous prime is 2012321527. The next prime is 2012321557. The reversal of 2012321537 is 7351232102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1395097201 + 617224336 = 37351^2 + 24844^2 .

It is a cyclic number.

It is not a de Polignac number, because 2012321537 - 2¹² = 2012317441 is a prime.

It is not a weakly prime, because it can be changed into another prime (2012321527) 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, 1006160768 + 1006160769.

It is an arithmetic number, because the mean of its divisors is an integer number (1006160769).

Almost surely, 2^2012321537 is an apocalyptic number.

It is an amenable number.

2012321537 is a deficient number, since it is larger than the sum of its proper divisors (1).

2012321537 is an equidigital number, since it uses as much as digits as its factorization.

2012321537 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 2012321537 is about 44858.9069973846. The cubic root of 2012321537 is about 1262.5031152686.

Adding to 2012321537 its reverse (7351232102), we get a palindrome (9363553639).

The spelling of 2012321537 in words is "two billion, twelve million, three hundred twenty-one thousand, five hundred thirty-seven".