30254561 has 2 divisors, whose sum is σ = 30254562. Its totient is φ = 30254560.

The previous prime is 30254537. The next prime is 30254603. The reversal of 30254561 is 16545203.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30195025 + 59536 = 5495^2 + 244^2 .

It is a cyclic number.

It is not a de Polignac number, because 30254561 - 2¹⁰ = 30253537 is a prime.

It is a super-2 number, since 2×30254561² = 1830676922605442, 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 30254561.

It is not a weakly prime, because it can be changed into another prime (30254531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15127280 + 15127281.

It is an arithmetic number, because the mean of its divisors is an integer number (15127281).

Almost surely, 2^30254561 is an apocalyptic number.

It is an amenable number.

30254561 is a deficient number, since it is larger than the sum of its proper divisors (1).

30254561 is an equidigital number, since it uses as much as digits as its factorization.

30254561 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 30254561 is about 5500.4146207354. The cubic root of 30254561 is about 311.5996433164.

Adding to 30254561 its reverse (16545203), we get a palindrome (46799764).

The spelling of 30254561 in words is "thirty million, two hundred fifty-four thousand, five hundred sixty-one".