30800551 has 2 divisors, whose sum is σ = 30800552. Its totient is φ = 30800550.

The previous prime is 30800533. The next prime is 30800569. The reversal of 30800551 is 15500803.

It is a balanced prime because it is at equal distance from previous prime (30800533) and next prime (30800569).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30800551 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30800531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15400275 + 15400276.

It is an arithmetic number, because the mean of its divisors is an integer number (15400276).

Almost surely, 2^30800551 is an apocalyptic number.

30800551 is a deficient number, since it is larger than the sum of its proper divisors (1).

30800551 is an equidigital number, since it uses as much as digits as its factorization.

30800551 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 30800551 is about 5549.8244116368. The cubic root of 30800551 is about 313.4629106690.

The spelling of 30800551 in words is "thirty million, eight hundred thousand, five hundred fifty-one".