32543157 has 4 divisors (see below), whose sum is σ = 43390880. Its totient is φ = 21695436.

The previous prime is 32543141. The next prime is 32543167. The reversal of 32543157 is 75134523.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 32543157 - 2⁴ = 32543141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32543167) by changing a digit.

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, 5423857 + ... + 5423862.

It is an arithmetic number, because the mean of its divisors is an integer number (10847720).

Almost surely, 2^32543157 is an apocalyptic number.

It is an amenable number.

32543157 is a deficient number, since it is larger than the sum of its proper divisors (10847723).

32543157 is a wasteful number, since it uses less digits than its factorization.

32543157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10847722.

The product of its digits is 12600, while the sum is 30.

The square root of 32543157 is about 5704.6609890510. The cubic root of 32543157 is about 319.2664087399.

The spelling of 32543157 in words is "thirty-two million, five hundred forty-three thousand, one hundred fifty-seven".