32253745 has 4 divisors (see below), whose sum is σ = 38704500. Its totient is φ = 25802992.

The previous prime is 32253731. The next prime is 32253763. The reversal of 32253745 is 54735223.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 11895601 + 20358144 = 3449^2 + 4512^2 .

It is a cyclic number.

It is not a de Polignac number, because 32253745 - 2¹¹ = 32251697 is a prime.

It is a nialpdrome in base 12.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3225370 + ... + 3225379.

It is an arithmetic number, because the mean of its divisors is an integer number (9676125).

Almost surely, 2^32253745 is an apocalyptic number.

It is an amenable number.

32253745 is a deficient number, since it is larger than the sum of its proper divisors (6450755).

32253745 is an equidigital number, since it uses as much as digits as its factorization.

32253745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6450754.

The product of its digits is 25200, while the sum is 31.

The square root of 32253745 is about 5679.2380650929. The cubic root of 32253745 is about 318.3171584909.

Adding to 32253745 its reverse (54735223), we get a palindrome (86988968).

The spelling of 32253745 in words is "thirty-two million, two hundred fifty-three thousand, seven hundred forty-five".