32490013 has 2 divisors, whose sum is σ = 32490014. Its totient is φ = 32490012.

The previous prime is 32490001. The next prime is 32490041. The reversal of 32490013 is 31009423.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 31114084 + 1375929 = 5578^2 + 1173^2 .

It is a cyclic number.

It is not a de Polignac number, because 32490013 - 2¹³ = 32481821 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32460013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16245006 + 16245007.

It is an arithmetic number, because the mean of its divisors is an integer number (16245007).

Almost surely, 2^32490013 is an apocalyptic number.

It is an amenable number.

32490013 is a deficient number, since it is larger than the sum of its proper divisors (1).

32490013 is an equidigital number, since it uses as much as digits as its factorization.

32490013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 32490013 is about 5700.0011403508. The cubic root of 32490013 is about 319.0925233529.

Adding to 32490013 its reverse (31009423), we get a palindrome (63499436).

The spelling of 32490013 in words is "thirty-two million, four hundred ninety thousand, thirteen".