30490241 has 2 divisors, whose sum is σ = 30490242. Its totient is φ = 30490240.

The previous prime is 30490237. The next prime is 30490277. The reversal of 30490241 is 14209403.

30490241 = 3904² + 3905².

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15249025 + 15241216 = 3905^2 + 3904^2 .

It is a cyclic number.

It is not a de Polignac number, because 30490241 - 2² = 30490237 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (30490441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15245120 + 15245121.

It is an arithmetic number, because the mean of its divisors is an integer number (15245121).

Almost surely, 2^30490241 is an apocalyptic number.

30490241 is the 3905-th centered square number.

It is an amenable number.

30490241 is a deficient number, since it is larger than the sum of its proper divisors (1).

30490241 is an equidigital number, since it uses as much as digits as its factorization.

30490241 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 30490241 is about 5521.7968995609. The cubic root of 30490241 is about 312.4066614041.

Adding to 30490241 its reverse (14209403), we get a palindrome (44699644).

The spelling of 30490241 in words is "thirty million, four hundred ninety thousand, two hundred forty-one".