3256601557 has 8 divisors (see below), whose sum is σ = 3553332192. Its totient is φ = 2959983600.

The previous prime is 3256601527. The next prime is 3256601561. The reversal of 3256601557 is 7551066523.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3256601557 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3256601507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39307 + ... + 89767.

It is an arithmetic number, because the mean of its divisors is an integer number (444166524).

Almost surely, 2^3256601557 is an apocalyptic number.

It is an amenable number.

3256601557 is a deficient number, since it is larger than the sum of its proper divisors (296730635).

3256601557 is a wasteful number, since it uses less digits than its factorization.

3256601557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56339.

The product of its (nonzero) digits is 189000, while the sum is 40.

The square root of 3256601557 is about 57066.6413677903. The cubic root of 3256601557 is about 1482.2502834249.

The spelling of 3256601557 in words is "three billion, two hundred fifty-six million, six hundred one thousand, five hundred fifty-seven".