32575445 has 12 divisors (see below), whose sum is σ = 45473004. Its totient is φ = 22337280.

The previous prime is 32575441. The next prime is 32575453. The reversal of 32575445 is 54457523.

It can be written as a sum of positive squares in 2 ways, for example, as 13557124 + 19018321 = 3682^2 + 4361^2 .

It is not a de Polignac number, because 32575445 - 2² = 32575441 is a prime.

It is a super-2 number, since 2×32575445² = 2122319233896050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32575441) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 66236 + ... + 66725.

It is an arithmetic number, because the mean of its divisors is an integer number (3789417).

Almost surely, 2^32575445 is an apocalyptic number.

32575445 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

32575445 is a deficient number, since it is larger than the sum of its proper divisors (12897559).

32575445 is a wasteful number, since it uses less digits than its factorization.

32575445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132980 (or 132973 counting only the distinct ones).

The product of its digits is 84000, while the sum is 35.

The square root of 32575445 is about 5707.4902540434. The cubic root of 32575445 is about 319.3719615649.

The spelling of 32575445 in words is "thirty-two million, five hundred seventy-five thousand, four hundred forty-five".