305325533053 has 4 divisors (see below), whose sum is σ = 315853999740. Its totient is φ = 294797066368.

The previous prime is 305325533017. The next prime is 305325533113. The reversal of 305325533053 is 350335523503.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 146063081124 + 159262451929 = 382182^2 + 399077^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-305325533053 is a prime.

It is a super-2 number, since 2×305325533053² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (305325531053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5264233300 + ... + 5264233357.

It is an arithmetic number, because the mean of its divisors is an integer number (78963499935).

Almost surely, 2^305325533053 is an apocalyptic number.

It is an amenable number.

305325533053 is a deficient number, since it is larger than the sum of its proper divisors (10528466687).

305325533053 is a wasteful number, since it uses less digits than its factorization.

305325533053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10528466686.

The product of its (nonzero) digits is 303750, while the sum is 37.

The spelling of 305325533053 in words is "three hundred five billion, three hundred twenty-five million, five hundred thirty-three thousand, fifty-three".