30853429 has 2 divisors, whose sum is σ = 30853430. Its totient is φ = 30853428.

The previous prime is 30853423. The next prime is 30853439. The reversal of 30853429 is 92435803.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16184529 + 14668900 = 4023^2 + 3830^2 .

It is a cyclic number.

It is not a de Polignac number, because 30853429 - 2⁹ = 30852917 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30853394 and 30853403.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30853423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15426714 + 15426715.

It is an arithmetic number, because the mean of its divisors is an integer number (15426715).

Almost surely, 2^30853429 is an apocalyptic number.

It is an amenable number.

30853429 is a deficient number, since it is larger than the sum of its proper divisors (1).

30853429 is an equidigital number, since it uses as much as digits as its factorization.

30853429 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 30853429 is about 5554.5863032273. The cubic root of 30853429 is about 313.6421911782.

The spelling of 30853429 in words is "thirty million, eight hundred fifty-three thousand, four hundred twenty-nine".