32530213 has 2 divisors, whose sum is σ = 32530214. Its totient is φ = 32530212.

The previous prime is 32530193. The next prime is 32530219. The reversal of 32530213 is 31203523.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 32058244 + 471969 = 5662^2 + 687^2 .

It is a cyclic number.

It is not a de Polignac number, because 32530213 - 2⁹ = 32529701 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32530219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16265106 + 16265107.

It is an arithmetic number, because the mean of its divisors is an integer number (16265107).

Almost surely, 2^32530213 is an apocalyptic number.

It is an amenable number.

32530213 is a deficient number, since it is larger than the sum of its proper divisors (1).

32530213 is an equidigital number, since it uses as much as digits as its factorization.

32530213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 540, while the sum is 19.

The square root of 32530213 is about 5703.5263653287. The cubic root of 32530213 is about 319.2240738549.

Adding to 32530213 its reverse (31203523), we get a palindrome (63733736).

The spelling of 32530213 in words is "thirty-two million, five hundred thirty thousand, two hundred thirteen".