33542443325 has 12 divisors (see below), whose sum is σ = 42162394068. Its totient is φ = 26466364800.

The previous prime is 33542443321. The next prime is 33542443349. The reversal of 33542443325 is 52334424533.

It can be written as a sum of positive squares in 6 ways, for example, as 3868591204 + 29673852121 = 62198^2 + 172261^2 .

It is not a de Polignac number, because 33542443325 - 2² = 33542443321 is a prime.

It is a super-2 number, since 2×33542443325² (a number of 22 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 (33542443321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9187886 + ... + 9191535.

It is an arithmetic number, because the mean of its divisors is an integer number (3513532839).

Almost surely, 2^33542443325 is an apocalyptic number.

It is an amenable number.

33542443325 is a deficient number, since it is larger than the sum of its proper divisors (8619950743).

33542443325 is a wasteful number, since it uses less digits than its factorization.

33542443325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18379504 (or 18379499 counting only the distinct ones).

The product of its digits is 518400, while the sum is 38.

Adding to 33542443325 its reverse (52334424533), we get a palindrome (85876867858).

The spelling of 33542443325 in words is "thirty-three billion, five hundred forty-two million, four hundred forty-three thousand, three hundred twenty-five".