30825101 has 2 divisors, whose sum is σ = 30825102. Its totient is φ = 30825100.

The previous prime is 30825079. The next prime is 30825133. The reversal of 30825101 is 10152803.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17023876 + 13801225 = 4126^2 + 3715^2 .

It is an emirp because it is prime and its reverse (10152803) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30825101 - 2²² = 26630797 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 (30825001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15412550 + 15412551.

It is an arithmetic number, because the mean of its divisors is an integer number (15412551).

Almost surely, 2^30825101 is an apocalyptic number.

It is an amenable number.

30825101 is a deficient number, since it is larger than the sum of its proper divisors (1).

30825101 is an equidigital number, since it uses as much as digits as its factorization.

30825101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 30825101 is about 5552.0357527667. The cubic root of 30825101 is about 313.5461718500.

Adding to 30825101 its reverse (10152803), we get a palindrome (40977904).

The spelling of 30825101 in words is "thirty million, eight hundred twenty-five thousand, one hundred one".