30300247 has 2 divisors, whose sum is σ = 30300248. Its totient is φ = 30300246.

The previous prime is 30300241. The next prime is 30300301. The reversal of 30300247 is 74200303.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 30300247 - 2⁷ = 30300119 is a prime.

It is a super-2 number, since 2×30300247² = 1836209936522018, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30300241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15150123 + 15150124.

It is an arithmetic number, because the mean of its divisors is an integer number (15150124).

Almost surely, 2^30300247 is an apocalyptic number.

30300247 is a deficient number, since it is larger than the sum of its proper divisors (1).

30300247 is an equidigital number, since it uses as much as digits as its factorization.

30300247 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 504, while the sum is 19.

The square root of 30300247 is about 5504.5660137744. The cubic root of 30300247 is about 311.7564084593.

The spelling of 30300247 in words is "thirty million, three hundred thousand, two hundred forty-seven".