30242549 has 2 divisors, whose sum is σ = 30242550. Its totient is φ = 30242548.

The previous prime is 30242503. The next prime is 30242567. The reversal of 30242549 is 94524203.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30195025 + 47524 = 5495^2 + 218^2 .

It is a cyclic number.

It is not a de Polignac number, because 30242549 - 2⁸ = 30242293 is a prime.

It is a super-2 number, since 2×30242549² = 1829223540034802, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30242249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15121274 + 15121275.

It is an arithmetic number, because the mean of its divisors is an integer number (15121275).

Almost surely, 2^30242549 is an apocalyptic number.

It is an amenable number.

30242549 is a deficient number, since it is larger than the sum of its proper divisors (1).

30242549 is an equidigital number, since it uses as much as digits as its factorization.

30242549 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 30242549 is about 5499.3225946475. The cubic root of 30242549 is about 311.5583996134.

The spelling of 30242549 in words is "thirty million, two hundred forty-two thousand, five hundred forty-nine".