32552381 has 2 divisors, whose sum is σ = 32552382. Its totient is φ = 32552380.

The previous prime is 32552369. The next prime is 32552393. The reversal of 32552381 is 18325523.

It is a balanced prime because it is at equal distance from previous prime (32552369) and next prime (32552393).

It can be written as a sum of positive squares in only one way, i.e., 31416025 + 1136356 = 5605^2 + 1066^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-32552381 is a prime.

It is a super-2 number, since 2×32552381² = 2119315017538322, which contains 22 as substring.

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 (32552281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16276190 + 16276191.

It is an arithmetic number, because the mean of its divisors is an integer number (16276191).

Almost surely, 2^32552381 is an apocalyptic number.

It is an amenable number.

32552381 is a deficient number, since it is larger than the sum of its proper divisors (1).

32552381 is an equidigital number, since it uses as much as digits as its factorization.

32552381 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 32552381 is about 5705.4693934855. The cubic root of 32552381 is about 319.2965700747.

The spelling of 32552381 in words is "thirty-two million, five hundred fifty-two thousand, three hundred eighty-one".