30554149 has 2 divisors, whose sum is σ = 30554150. Its totient is φ = 30554148.

The previous prime is 30554113. The next prime is 30554159. The reversal of 30554149 is 94145503.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15484225 + 15069924 = 3935^2 + 3882^2 .

It is a cyclic number.

It is not a de Polignac number, because 30554149 - 2¹¹ = 30552101 is a prime.

It is a super-2 number, since 2×30554149² = 1867112042228402, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 30554149.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30554159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15277074 + 15277075.

It is an arithmetic number, because the mean of its divisors is an integer number (15277075).

Almost surely, 2^30554149 is an apocalyptic number.

It is an amenable number.

30554149 is a deficient number, since it is larger than the sum of its proper divisors (1).

30554149 is an equidigital number, since it uses as much as digits as its factorization.

30554149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 30554149 is about 5527.5807547244. The cubic root of 30554149 is about 312.6247787569.

It can be divided in two parts, 30554 and 149, that added together give a palindrome (30703).

The spelling of 30554149 in words is "thirty million, five hundred fifty-four thousand, one hundred forty-nine".