32481147 has 4 divisors (see below), whose sum is σ = 43308200. Its totient is φ = 21654096.

The previous prime is 32481133. The next prime is 32481167. The reversal of 32481147 is 74118423.

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

It is not a de Polignac number, because 32481147 - 2¹⁵ = 32448379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (32481107) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5413522 + ... + 5413527.

It is an arithmetic number, because the mean of its divisors is an integer number (10827050).

Almost surely, 2^32481147 is an apocalyptic number.

32481147 is a deficient number, since it is larger than the sum of its proper divisors (10827053).

32481147 is a wasteful number, since it uses less digits than its factorization.

32481147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10827052.

The product of its digits is 5376, while the sum is 30.

The square root of 32481147 is about 5699.2233681441. The cubic root of 32481147 is about 319.0634956464.

The spelling of 32481147 in words is "thirty-two million, four hundred eighty-one thousand, one hundred forty-seven".