33540434225 has 6 divisors (see below), whose sum is σ = 41590138470. Its totient is φ = 26832347360.

The previous prime is 33540434203. The next prime is 33540434233. The reversal of 33540434225 is 52243404533.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 174662656 + 33365771569 = 13216^2 + 182663^2 .

It is a de Polignac number, because none of the positive numbers 2^k-33540434225 is a prime.

It is a super-2 number, since 2×33540434225² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 670808660 + ... + 670808709.

It is an arithmetic number, because the mean of its divisors is an integer number (6931689745).

Almost surely, 2^33540434225 is an apocalyptic number.

It is an amenable number.

33540434225 is a deficient number, since it is larger than the sum of its proper divisors (8049704245).

33540434225 is a wasteful number, since it uses less digits than its factorization.

33540434225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1341617379 (or 1341617374 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 35.

Adding to 33540434225 its reverse (52243404533), we get a palindrome (85783838758).

The spelling of 33540434225 in words is "thirty-three billion, five hundred forty million, four hundred thirty-four thousand, two hundred twenty-five".