30053293 has 2 divisors, whose sum is σ = 30053294. Its totient is φ = 30053292.

The previous prime is 30053281. The next prime is 30053311. The reversal of 30053293 is 39235003.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22638564 + 7414729 = 4758^2 + 2723^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30053293 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30053693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15026646 + 15026647.

It is an arithmetic number, because the mean of its divisors is an integer number (15026647).

Almost surely, 2^30053293 is an apocalyptic number.

It is an amenable number.

30053293 is a deficient number, since it is larger than the sum of its proper divisors (1).

30053293 is an equidigital number, since it uses as much as digits as its factorization.

30053293 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2430, while the sum is 25.

The square root of 30053293 is about 5482.0883794408. The cubic root of 30053293 is about 310.9071347989.

Adding to 30053293 its reverse (39235003), we get a palindrome (69288296).

The spelling of 30053293 in words is "thirty million, fifty-three thousand, two hundred ninety-three".