30245441 has 2 divisors, whose sum is σ = 30245442. Its totient is φ = 30245440.

The previous prime is 30245419. The next prime is 30245443. The reversal of 30245441 is 14454203.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29931841 + 313600 = 5471^2 + 560^2 .

It is an emirp because it is prime and its reverse (14454203) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30245441 - 2¹⁸ = 29983297 is a prime.

Together with 30245443, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (30245443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15122720 + 15122721.

It is an arithmetic number, because the mean of its divisors is an integer number (15122721).

Almost surely, 2^30245441 is an apocalyptic number.

It is an amenable number.

30245441 is a deficient number, since it is larger than the sum of its proper divisors (1).

30245441 is an equidigital number, since it uses as much as digits as its factorization.

30245441 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 30245441 is about 5499.5855298377. The cubic root of 30245441 is about 311.5683304141.

Adding to 30245441 its reverse (14454203), we get a palindrome (44699644).

The spelling of 30245441 in words is "thirty million, two hundred forty-five thousand, four hundred forty-one".