30361073 has 2 divisors, whose sum is σ = 30361074. Its totient is φ = 30361072.

The previous prime is 30360991. The next prime is 30361087. The reversal of 30361073 is 37016303.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27952369 + 2408704 = 5287^2 + 1552^2 .

It is an emirp because it is prime and its reverse (37016303) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30361073 is a prime.

It is a super-2 number, since 2×30361073² = 1843589507422658, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (30361973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15180536 + 15180537.

It is an arithmetic number, because the mean of its divisors is an integer number (15180537).

Almost surely, 2^30361073 is an apocalyptic number.

It is an amenable number.

30361073 is a deficient number, since it is larger than the sum of its proper divisors (1).

30361073 is an equidigital number, since it uses as much as digits as its factorization.

30361073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1134, while the sum is 23.

The square root of 30361073 is about 5510.0882933035. The cubic root of 30361073 is about 311.9648800322.

Adding to 30361073 its reverse (37016303), we get a palindrome (67377376).

It can be divided in two parts, 3036 and 1073, that multiplied together give a triangular number (3257628 = T₂₅₅₂).

The spelling of 30361073 in words is "thirty million, three hundred sixty-one thousand, seventy-three".