32552813 has 2 divisors, whose sum is σ = 32552814. Its totient is φ = 32552812.

The previous prime is 32552801. The next prime is 32552831. The reversal of 32552813 is 31825523.

Together with next prime (32552831) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18550249 + 14002564 = 4307^2 + 3742^2 .

It is an emirp because it is prime and its reverse (31825523) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 32552813 - 2⁶ = 32552749 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32552873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16276406 + 16276407.

It is an arithmetic number, because the mean of its divisors is an integer number (16276407).

Almost surely, 2^32552813 is an apocalyptic number.

It is an amenable number.

32552813 is a deficient number, since it is larger than the sum of its proper divisors (1).

32552813 is an equidigital number, since it uses as much as digits as its factorization.

32552813 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7200, while the sum is 29.

The square root of 32552813 is about 5705.5072517700. The cubic root of 32552813 is about 319.2979825214.

The spelling of 32552813 in words is "thirty-two million, five hundred fifty-two thousand, eight hundred thirteen".