30225851 has 2 divisors, whose sum is σ = 30225852. Its totient is φ = 30225850.

The previous prime is 30225829. The next prime is 30225883. The reversal of 30225851 is 15852203.

It is a weak prime.

It is an emirp because it is prime and its reverse (15852203) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30225851 - 2⁶ = 30225787 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30225851.

It is not a weakly prime, because it can be changed into another prime (30225451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15112925 + 15112926.

It is an arithmetic number, because the mean of its divisors is an integer number (15112926).

Almost surely, 2^30225851 is an apocalyptic number.

30225851 is a deficient number, since it is larger than the sum of its proper divisors (1).

30225851 is an equidigital number, since it uses as much as digits as its factorization.

30225851 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 30225851 is about 5497.8041980413. The cubic root of 30225851 is about 311.5010481875.

The spelling of 30225851 in words is "thirty million, two hundred twenty-five thousand, eight hundred fifty-one".