32530931 has 2 divisors, whose sum is σ = 32530932. Its totient is φ = 32530930.

The previous prime is 32530921. The next prime is 32530933. The reversal of 32530931 is 13903523.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 32530931 - 2⁶ = 32530867 is a prime.

It is a super-2 number, since 2×32530931² = 2116522943453522, which contains 22 as substring.

Together with 32530933, it forms a pair of twin primes.

It is a Chen prime.

It is a zygodrome in base 2.

It is a self number, because there is not a number n which added to its sum of digits gives 32530931.

It is not a weakly prime, because it can be changed into another prime (32530933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16265465 + 16265466.

It is an arithmetic number, because the mean of its divisors is an integer number (16265466).

Almost surely, 2^32530931 is an apocalyptic number.

32530931 is a deficient number, since it is larger than the sum of its proper divisors (1).

32530931 is an equidigital number, since it uses as much as digits as its factorization.

32530931 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2430, while the sum is 26.

The square root of 32530931 is about 5703.5893084969. The cubic root of 32530931 is about 319.2264224531.

The spelling of 32530931 in words is "thirty-two million, five hundred thirty thousand, nine hundred thirty-one".