32213497 has 2 divisors, whose sum is σ = 32213498. Its totient is φ = 32213496.

The previous prime is 32213491. The next prime is 32213537. The reversal of 32213497 is 79431223.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 31539456 + 674041 = 5616^2 + 821^2 .

It is an emirp because it is prime and its reverse (79431223) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-32213497 is a prime.

It is equal to p_1986133 and since 32213497 and 1986133 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (32213491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16106748 + 16106749.

It is an arithmetic number, because the mean of its divisors is an integer number (16106749).

Almost surely, 2^32213497 is an apocalyptic number.

It is an amenable number.

32213497 is a deficient number, since it is larger than the sum of its proper divisors (1).

32213497 is an equidigital number, since it uses as much as digits as its factorization.

32213497 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9072, while the sum is 31.

The square root of 32213497 is about 5675.6935259050. The cubic root of 32213497 is about 318.1846988162.

The spelling of 32213497 in words is "thirty-two million, two hundred thirteen thousand, four hundred ninety-seven".