30500003 has 2 divisors, whose sum is σ = 30500004. Its totient is φ = 30500002.

The previous prime is 30499993. The next prime is 30500009. The reversal of 30500003 is 30000503.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 30500003 - 2⁸ = 30499747 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (30500009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15250001 + 15250002.

It is an arithmetic number, because the mean of its divisors is an integer number (15250002).

Almost surely, 2^30500003 is an apocalyptic number.

30500003 is a deficient number, since it is larger than the sum of its proper divisors (1).

30500003 is an equidigital number, since it uses as much as digits as its factorization.

30500003 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 45, while the sum is 11.

The square root of 30500003 is about 5522.6807802009. The cubic root of 30500003 is about 312.4399987202.

Adding to 30500003 its reverse (30000503), we get a palindrome (60500506).

Subtracting from 30500003 its reverse (30000503), we obtain a triangular number (499500 = T₉₉₉).

The spelling of 30500003 in words is "thirty million, five hundred thousand, three".