32253149 has 2 divisors, whose sum is σ = 32253150. Its totient is φ = 32253148.

The previous prime is 32253121. The next prime is 32253163. The reversal of 32253149 is 94135223.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 32205625 + 47524 = 5675^2 + 218^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-32253149 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32253649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16126574 + 16126575.

It is an arithmetic number, because the mean of its divisors is an integer number (16126575).

Almost surely, 2^32253149 is an apocalyptic number.

It is an amenable number.

32253149 is a deficient number, since it is larger than the sum of its proper divisors (1).

32253149 is an equidigital number, since it uses as much as digits as its factorization.

32253149 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6480, while the sum is 29.

The square root of 32253149 is about 5679.1855930230. The cubic root of 32253149 is about 318.3151978070.

The spelling of 32253149 in words is "thirty-two million, two hundred fifty-three thousand, one hundred forty-nine".