30750413 has 2 divisors, whose sum is σ = 30750414. Its totient is φ = 30750412.

The previous prime is 30750397. The next prime is 30750431. The reversal of 30750413 is 31405703.

It is a happy number.

Together with next prime (30750431) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20593444 + 10156969 = 4538^2 + 3187^2 .

It is a cyclic number.

It is not a de Polignac number, because 30750413 - 2⁴ = 30750397 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30750443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15375206 + 15375207.

It is an arithmetic number, because the mean of its divisors is an integer number (15375207).

Almost surely, 2^30750413 is an apocalyptic number.

It is an amenable number.

30750413 is a deficient number, since it is larger than the sum of its proper divisors (1).

30750413 is an equidigital number, since it uses as much as digits as its factorization.

30750413 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1260, while the sum is 23.

The square root of 30750413 is about 5545.3054920356. The cubic root of 30750413 is about 313.2927303909.

The spelling of 30750413 in words is "thirty million, seven hundred fifty thousand, four hundred thirteen".