30232481 has 2 divisors, whose sum is σ = 30232482. Its totient is φ = 30232480.

The previous prime is 30232453. The next prime is 30232487. The reversal of 30232481 is 18423203.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23425600 + 6806881 = 4840^2 + 2609^2 .

It is a cyclic number.

It is not a de Polignac number, because 30232481 - 2⁶ = 30232417 is a prime.

It is a super-2 number, since 2×30232481² = 1828005814830722, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (30232487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15116240 + 15116241.

It is an arithmetic number, because the mean of its divisors is an integer number (15116241).

Almost surely, 2^30232481 is an apocalyptic number.

It is an amenable number.

30232481 is a deficient number, since it is larger than the sum of its proper divisors (1).

30232481 is an equidigital number, since it uses as much as digits as its factorization.

30232481 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 30232481 is about 5498.4071329795. The cubic root of 30232481 is about 311.5238223019.

Adding to 30232481 its reverse (18423203), we get a palindrome (48655684).

The spelling of 30232481 in words is "thirty million, two hundred thirty-two thousand, four hundred eighty-one".