30070549 has 2 divisors, whose sum is σ = 30070550. Its totient is φ = 30070548.

The previous prime is 30070489. The next prime is 30070561. The reversal of 30070549 is 94507003.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30052324 + 18225 = 5482^2 + 135^2 .

It is a cyclic number.

It is not a de Polignac number, because 30070549 - 2⁷ = 30070421 is a prime.

It is a super-2 number, since 2×30070549² = 1808475834322802, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30070049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15035274 + 15035275.

It is an arithmetic number, because the mean of its divisors is an integer number (15035275).

Almost surely, 2^30070549 is an apocalyptic number.

It is an amenable number.

30070549 is a deficient number, since it is larger than the sum of its proper divisors (1).

30070549 is an equidigital number, since it uses as much as digits as its factorization.

30070549 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3780, while the sum is 28.

The square root of 30070549 is about 5483.6620063603. The cubic root of 30070549 is about 310.9666289673.

The spelling of 30070549 in words is "thirty million, seventy thousand, five hundred forty-nine".