30072853 has 2 divisors, whose sum is σ = 30072854. Its totient is φ = 30072852.

The previous prime is 30072827. The next prime is 30072863. The reversal of 30072853 is 35827003.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29844369 + 228484 = 5463^2 + 478^2 .

It is an emirp because it is prime and its reverse (35827003) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30072853 - 2¹⁷ = 29941781 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30072863) 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, 15036426 + 15036427.

It is an arithmetic number, because the mean of its divisors is an integer number (15036427).

Almost surely, 2^30072853 is an apocalyptic number.

It is an amenable number.

30072853 is a deficient number, since it is larger than the sum of its proper divisors (1).

30072853 is an equidigital number, since it uses as much as digits as its factorization.

30072853 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 30072853 is about 5483.8720809297. The cubic root of 30072853 is about 310.9745708333.

Adding to 30072853 its reverse (35827003), we get a palindrome (65899856).

It can be divided in two parts, 300 and 72853, that added together give a triangular number (73153 = T₃₈₂).

The spelling of 30072853 in words is "thirty million, seventy-two thousand, eight hundred fifty-three".