3257752989 has 8 divisors (see below), whose sum is σ = 4344655392. Its totient is φ = 2171342960.

The previous prime is 3257752951. The next prime is 3257752999. The reversal of 3257752989 is 9892577523.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 3257752989 - 2¹³ = 3257744797 is a prime.

It is a super-2 number, since 2×3257752989² = 21225909074676868242, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3257752999) 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, 107367 + ... + 134324.

It is an arithmetic number, because the mean of its divisors is an integer number (543081924).

Almost surely, 2^3257752989 is an apocalyptic number.

It is an amenable number.

3257752989 is a deficient number, since it is larger than the sum of its proper divisors (1086902403).

3257752989 is a wasteful number, since it uses less digits than its factorization.

3257752989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246187.

The product of its digits is 9525600, while the sum is 57.

The square root of 3257752989 is about 57076.7289619859. The cubic root of 3257752989 is about 1482.4249552182.

The spelling of 3257752989 in words is "three billion, two hundred fifty-seven million, seven hundred fifty-two thousand, nine hundred eighty-nine".