30052993 has 2 divisors, whose sum is σ = 30052994. Its totient is φ = 30052992.

The previous prime is 30052969. The next prime is 30052999. The reversal of 30052993 is 39925003.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27793984 + 2259009 = 5272^2 + 1503^2 .

It is an emirp because it is prime and its reverse (39925003) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30052993 - 2²¹ = 27955841 is a prime.

It is not a weakly prime, because it can be changed into another prime (30052999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15026496 + 15026497.

It is an arithmetic number, because the mean of its divisors is an integer number (15026497).

Almost surely, 2^30052993 is an apocalyptic number.

It is an amenable number.

30052993 is a deficient number, since it is larger than the sum of its proper divisors (1).

30052993 is an equidigital number, since it uses as much as digits as its factorization.

30052993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7290, while the sum is 31.

The square root of 30052993 is about 5482.0610175371. The cubic root of 30052993 is about 310.9061002761.

Adding to 30052993 its reverse (39925003), we get a palindrome (69977996).

The spelling of 30052993 in words is "thirty million, fifty-two thousand, nine hundred ninety-three".