30235481 has 2 divisors, whose sum is σ = 30235482. Its totient is φ = 30235480.

The previous prime is 30235423. The next prime is 30235519. The reversal of 30235481 is 18453203.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24552025 + 5683456 = 4955^2 + 2384^2 .

It is a cyclic number.

It is not a de Polignac number, because 30235481 - 2⁶ = 30235417 is a prime.

It is a super-2 number, since 2×30235481² = 1828368622602722, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30235481.

It is not a weakly prime, because it can be changed into another prime (30235181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15117740 + 15117741.

It is an arithmetic number, because the mean of its divisors is an integer number (15117741).

Almost surely, 2^30235481 is an apocalyptic number.

It is an amenable number.

30235481 is a deficient number, since it is larger than the sum of its proper divisors (1).

30235481 is an equidigital number, since it uses as much as digits as its factorization.

30235481 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 30235481 is about 5498.6799324929. The cubic root of 30235481 is about 311.5341262369.

Adding to 30235481 its reverse (18453203), we get a palindrome (48688684).

The spelling of 30235481 in words is "thirty million, two hundred thirty-five thousand, four hundred eighty-one".