3257572889 has 2 divisors, whose sum is σ = 3257572890. Its totient is φ = 3257572888.

The previous prime is 3257572883. The next prime is 3257572919. The reversal of 3257572889 is 9882757523.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2446291600 + 811281289 = 49460^2 + 28483^2 .

It is a cyclic number.

It is not a de Polignac number, because 3257572889 - 2¹⁶ = 3257507353 is a prime.

It is a super-2 number, since 2×3257572889² = 21223562254295612642, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3257572883) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1628786444 + 1628786445.

It is an arithmetic number, because the mean of its divisors is an integer number (1628786445).

Almost surely, 2^3257572889 is an apocalyptic number.

It is an amenable number.

3257572889 is a deficient number, since it is larger than the sum of its proper divisors (1).

3257572889 is an equidigital number, since it uses as much as digits as its factorization.

3257572889 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8467200, while the sum is 56.

The square root of 3257572889 is about 57075.1512393966. The cubic root of 3257572889 is about 1482.3976368328.

The spelling of 3257572889 in words is "three billion, two hundred fifty-seven million, five hundred seventy-two thousand, eight hundred eighty-nine".