30856201 has 2 divisors, whose sum is σ = 30856202. Its totient is φ = 30856200.

The previous prime is 30856169. The next prime is 30856213. The reversal of 30856201 is 10265803.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28100601 + 2755600 = 5301^2 + 1660^2 .

It is a cyclic number.

It is not a de Polignac number, because 30856201 - 2⁵ = 30856169 is a prime.

It is not a weakly prime, because it can be changed into another prime (30856601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15428100 + 15428101.

It is an arithmetic number, because the mean of its divisors is an integer number (15428101).

Almost surely, 2^30856201 is an apocalyptic number.

It is an amenable number.

30856201 is a deficient number, since it is larger than the sum of its proper divisors (1).

30856201 is an equidigital number, since it uses as much as digits as its factorization.

30856201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 30856201 is about 5554.8358211562. The cubic root of 30856201 is about 313.6515838686.

The spelling of 30856201 in words is "thirty million, eight hundred fifty-six thousand, two hundred one".