3257667242551 has 4 divisors (see below), whose sum is σ = 3257671277704. Its totient is φ = 3257663207400.

The previous prime is 3257667242527. The next prime is 3257667242567. The reversal of 3257667242551 is 1552427667523.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 3257667242551 - 2¹⁹ = 3257666718263 is a prime.

It is a super-3 number, since 3×3257667242551³ (a number of 39 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3257667242492 and 3257667242501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3257667242591) 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, 343665 + ... + 2575546.

It is an arithmetic number, because the mean of its divisors is an integer number (814417819426).

Almost surely, 2^{3257667242551} is an apocalyptic number.

3257667242551 is a deficient number, since it is larger than the sum of its proper divisors (4035153).

3257667242551 is a wasteful number, since it uses less digits than its factorization.

3257667242551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4035152.

The product of its digits is 21168000, while the sum is 55.

The spelling of 3257667242551 in words is "three trillion, two hundred fifty-seven billion, six hundred sixty-seven million, two hundred forty-two thousand, five hundred fifty-one".