32775131 has 2 divisors, whose sum is σ = 32775132. Its totient is φ = 32775130.

The previous prime is 32775109. The next prime is 32775139. The reversal of 32775131 is 13157723.

It is a strong prime.

It is an emirp because it is prime and its reverse (13157723) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-32775131 is a prime.

It is a super-2 number, since 2×32775131² = 2148418424134322, which contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 32775094 and 32775103.

It is not a weakly prime, because it can be changed into another prime (32775139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16387565 + 16387566.

It is an arithmetic number, because the mean of its divisors is an integer number (16387566).

Almost surely, 2^32775131 is an apocalyptic number.

32775131 is a deficient number, since it is larger than the sum of its proper divisors (1).

32775131 is an equidigital number, since it uses as much as digits as its factorization.

32775131 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4410, while the sum is 29.

The square root of 32775131 is about 5724.9568557326. The cubic root of 32775131 is about 320.0232112070.

The spelling of 32775131 in words is "thirty-two million, seven hundred seventy-five thousand, one hundred thirty-one".