34235003025521 has 4 divisors (see below), whose sum is σ = 34484893558692. Its totient is φ = 33985112492352.

The previous prime is 34235003025497. The next prime is 34235003025529. The reversal of 34235003025521 is 12552030053243.

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 23556355473121 + 10678647552400 = 4853489^2 + 3267820^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-34235003025521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (34235003025529) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 124945266380 + ... + 124945266653.

It is an arithmetic number, because the mean of its divisors is an integer number (8621223389673).

Almost surely, 2^{34235003025521} is an apocalyptic number.

It is an amenable number.

34235003025521 is a deficient number, since it is larger than the sum of its proper divisors (249890533171).

34235003025521 is a wasteful number, since it uses less digits than its factorization.

34235003025521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249890533170.

The product of its (nonzero) digits is 108000, while the sum is 35.

Adding to 34235003025521 its reverse (12552030053243), we get a palindrome (46787033078764).

The spelling of 34235003025521 in words is "thirty-four trillion, two hundred thirty-five billion, three million, twenty-five thousand, five hundred twenty-one".