30049219 has 2 divisors, whose sum is σ = 30049220. Its totient is φ = 30049218.

The previous prime is 30049207. The next prime is 30049273. The reversal of 30049219 is 91294003.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 30049219 - 2¹³ = 30041027 is a prime.

It is a super-2 number, since 2×30049219² = 1805911125019922, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (30049289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15024609 + 15024610.

It is an arithmetic number, because the mean of its divisors is an integer number (15024610).

Almost surely, 2^30049219 is an apocalyptic number.

30049219 is a deficient number, since it is larger than the sum of its proper divisors (1).

30049219 is an equidigital number, since it uses as much as digits as its factorization.

30049219 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 30049219 is about 5481.7167931224. The cubic root of 30049219 is about 310.8930853911.

The spelling of 30049219 in words is "thirty million, forty-nine thousand, two hundred nineteen".