32745131 has 2 divisors, whose sum is σ = 32745132. Its totient is φ = 32745130.

The previous prime is 32745127. The next prime is 32745133. The reversal of 32745131 is 13154723.

It is a strong prime.

It is an emirp because it is prime and its reverse (13154723) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 32745131 - 2² = 32745127 is a prime.

It is a super-2 number, since 2×32745131² = 2144487208414322, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 32745133, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 32745131.

It is not a weakly prime, because it can be changed into another prime (32745133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16372565 + 16372566.

It is an arithmetic number, because the mean of its divisors is an integer number (16372566).

Almost surely, 2^32745131 is an apocalyptic number.

32745131 is a deficient number, since it is larger than the sum of its proper divisors (1).

32745131 is an equidigital number, since it uses as much as digits as its factorization.

32745131 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2520, while the sum is 26.

The square root of 32745131 is about 5722.3361488120. The cubic root of 32745131 is about 319.9255393157.

Adding to 32745131 its reverse (13154723), we get a palindrome (45899854).

The spelling of 32745131 in words is "thirty-two million, seven hundred forty-five thousand, one hundred thirty-one".