3261005375 has 8 divisors (see below), whose sum is σ = 4069734864. Its totient is φ = 2608804200.

The previous prime is 3261005347. The next prime is 3261005387. The reversal of 3261005375 is 5735001623.

It is not a de Polignac number, because 3261005375 - 2¹² = 3261001279 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13043897 + ... + 13044146.

It is an arithmetic number, because the mean of its divisors is an integer number (508716858).

Almost surely, 2^3261005375 is an apocalyptic number.

3261005375 is a deficient number, since it is larger than the sum of its proper divisors (808729489).

3261005375 is an equidigital number, since it uses as much as digits as its factorization.

3261005375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26088058 (or 26088048 counting only the distinct ones).

The product of its (nonzero) digits is 18900, while the sum is 32.

The square root of 3261005375 is about 57105.2132033495. The cubic root of 3261005375 is about 1482.9181187150.

Adding to 3261005375 its reverse (5735001623), we get a palindrome (8996006998).

The spelling of 3261005375 in words is "three billion, two hundred sixty-one million, five thousand, three hundred seventy-five".