32153813 has 2 divisors, whose sum is σ = 32153814. Its totient is φ = 32153812.

The previous prime is 32153773. The next prime is 32153827. The reversal of 32153813 is 31835123.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28494244 + 3659569 = 5338^2 + 1913^2 .

It is an emirp because it is prime and its reverse (31835123) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 32153813 - 2¹² = 32149717 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32153843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16076906 + 16076907.

It is an arithmetic number, because the mean of its divisors is an integer number (16076907).

Almost surely, 2^32153813 is an apocalyptic number.

It is an amenable number.

32153813 is a deficient number, since it is larger than the sum of its proper divisors (1).

32153813 is an equidigital number, since it uses as much as digits as its factorization.

32153813 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2160, while the sum is 26.

The square root of 32153813 is about 5670.4332285990. The cubic root of 32153813 is about 317.9880703039.

Adding to 32153813 its reverse (31835123), we get a palindrome (63988936).

The spelling of 32153813 in words is "thirty-two million, one hundred fifty-three thousand, eight hundred thirteen".