30532091 has 2 divisors, whose sum is σ = 30532092. Its totient is φ = 30532090.

The previous prime is 30532057. The next prime is 30532097. The reversal of 30532091 is 19023503.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 30532091 - 2⁶ = 30532027 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (30532097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15266045 + 15266046.

It is an arithmetic number, because the mean of its divisors is an integer number (15266046).

Almost surely, 2^30532091 is an apocalyptic number.

30532091 is a deficient number, since it is larger than the sum of its proper divisors (1).

30532091 is an equidigital number, since it uses as much as digits as its factorization.

30532091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 810, while the sum is 23.

The square root of 30532091 is about 5525.5851273870. The cubic root of 30532091 is about 312.5495294295.

Adding to 30532091 its reverse (19023503), we get a palindrome (49555594).

The spelling of 30532091 in words is "thirty million, five hundred thirty-two thousand, ninety-one".