32264509 has 2 divisors, whose sum is σ = 32264510. Its totient is φ = 32264508.

The previous prime is 32264503. The next prime is 32264543. The reversal of 32264509 is 90546223.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27269284 + 4995225 = 5222^2 + 2235^2 .

It is an emirp because it is prime and its reverse (90546223) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 32264509 - 2⁷ = 32264381 is a prime.

It is a super-2 number, since 2×32264509² = 2081997082022162, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32264503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16132254 + 16132255.

It is an arithmetic number, because the mean of its divisors is an integer number (16132255).

Almost surely, 2^32264509 is an apocalyptic number.

It is an amenable number.

32264509 is a deficient number, since it is larger than the sum of its proper divisors (1).

32264509 is an equidigital number, since it uses as much as digits as its factorization.

32264509 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 32264509 is about 5680.1856483745. The cubic root of 32264509 is about 318.3525650750.

The spelling of 32264509 in words is "thirty-two million, two hundred sixty-four thousand, five hundred nine".