32575442 has 4 divisors (see below), whose sum is σ = 48863166. Its totient is φ = 16287720.

The previous prime is 32575441. The next prime is 32575453. The reversal of 32575442 is 24457523.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24457523 = 61 ⋅400943.

It can be written as a sum of positive squares in only one way, i.e., 25290841 + 7284601 = 5029^2 + 2699^2 .

It is a super-2 number, since 2×32575442² = 2122318842990728, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 32575399 and 32575408.

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 as a sum of consecutive naturals, namely, 8143859 + ... + 8143862.

Almost surely, 2^32575442 is an apocalyptic number.

32575442 is a deficient number, since it is larger than the sum of its proper divisors (16287724).

32575442 is a wasteful number, since it uses less digits than its factorization.

32575442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16287723.

The product of its digits is 33600, while the sum is 32.

The square root of 32575442 is about 5707.4899912308. The cubic root of 32575442 is about 319.3719517608.

The spelling of 32575442 in words is "thirty-two million, five hundred seventy-five thousand, four hundred forty-two".