305796133 has 2 divisors, whose sum is σ = 305796134. Its totient is φ = 305796132.

The previous prime is 305796103. The next prime is 305796137. The reversal of 305796133 is 331697503.

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., 264810529 + 40985604 = 16273^2 + 6402^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-305796133 is a prime.

It is a super-2 number, since 2×305796133² = 187022549915507378, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 305796092 and 305796101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (305796137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 152898066 + 152898067.

It is an arithmetic number, because the mean of its divisors is an integer number (152898067).

Almost surely, 2^305796133 is an apocalyptic number.

It is an amenable number.

305796133 is a deficient number, since it is larger than the sum of its proper divisors (1).

305796133 is an equidigital number, since it uses as much as digits as its factorization.

305796133 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 51030, while the sum is 37.

The square root of 305796133 is about 17487.0275633110. The cubic root of 305796133 is about 673.7167263730.

The spelling of 305796133 in words is "three hundred five million, seven hundred ninety-six thousand, one hundred thirty-three".