30526081 has 2 divisors, whose sum is σ = 30526082. Its totient is φ = 30526080.

The previous prime is 30526063. The next prime is 30526091. The reversal of 30526081 is 18062503.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29604481 + 921600 = 5441^2 + 960^2 .

It is an emirp because it is prime and its reverse (18062503) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30526081 - 2⁵ = 30526049 is a prime.

It is a super-2 number, since 2×30526081² = 1863683242437122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (30526051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15263040 + 15263041.

It is an arithmetic number, because the mean of its divisors is an integer number (15263041).

Almost surely, 2^30526081 is an apocalyptic number.

It is an amenable number.

30526081 is a deficient number, since it is larger than the sum of its proper divisors (1).

30526081 is an equidigital number, since it uses as much as digits as its factorization.

30526081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 30526081 is about 5525.0412668142. The cubic root of 30526081 is about 312.5290204516.

Adding to 30526081 its reverse (18062503), we get a palindrome (48588584).

The spelling of 30526081 in words is "thirty million, five hundred twenty-six thousand, eighty-one".