30532643 has 2 divisors, whose sum is σ = 30532644. Its totient is φ = 30532642.

The previous prime is 30532609. The next prime is 30532673. The reversal of 30532643 is 34623503.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30532643 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (30532673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15266321 + 15266322.

It is an arithmetic number, because the mean of its divisors is an integer number (15266322).

Almost surely, 2^30532643 is an apocalyptic number.

30532643 is a deficient number, since it is larger than the sum of its proper divisors (1).

30532643 is an equidigital number, since it uses as much as digits as its factorization.

30532643 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6480, while the sum is 26.

The square root of 30532643 is about 5525.6350766224. The cubic root of 30532643 is about 312.5514129810.

The spelling of 30532643 in words is "thirty million, five hundred thirty-two thousand, six hundred forty-three".