30528011 has 2 divisors, whose sum is σ = 30528012. Its totient is φ = 30528010.

The previous prime is 30528007. The next prime is 30528119. The reversal of 30528011 is 11082503.

It is a weak prime.

It is an emirp because it is prime and its reverse (11082503) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30528011 - 2² = 30528007 is a prime.

It is a super-2 number, since 2×30528011² = 1863918911232242, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (30527011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15264005 + 15264006.

It is an arithmetic number, because the mean of its divisors is an integer number (15264006).

Almost surely, 2^30528011 is an apocalyptic number.

30528011 is a deficient number, since it is larger than the sum of its proper divisors (1).

30528011 is an equidigital number, since it uses as much as digits as its factorization.

30528011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 30528011 is about 5525.2159233825. The cubic root of 30528011 is about 312.5356068227.

The spelling of 30528011 in words is "thirty million, five hundred twenty-eight thousand, eleven".