753517256025161 has 4 divisors (see below), whose sum is σ = 757421490512532. Its totient is φ = 749613021537792.

The previous prime is 753517256025137. The next prime is 753517256025229. The reversal of 753517256025161 is 161520652715357.

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 335803572603136 + 417713683422025 = 18324944^2 + 20438045^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-753517256025161 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 753517256025097 and 753517256025106.

It is not an unprimeable number, because it can be changed into a prime (753517253025161) 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, 1952117243396 + ... + 1952117243781.

It is an arithmetic number, because the mean of its divisors is an integer number (189355372628133).

Almost surely, 2^{753517256025161} is an apocalyptic number.

It is an amenable number.

753517256025161 is a deficient number, since it is larger than the sum of its proper divisors (3904234487371).

753517256025161 is a wasteful number, since it uses less digits than its factorization.

753517256025161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3904234487370.

The product of its (nonzero) digits is 13230000, while the sum is 56.

The spelling of 753517256025161 in words is "seven hundred fifty-three trillion, five hundred seventeen billion, two hundred fifty-six million, twenty-five thousand, one hundred sixty-one".