3261365 has 24 divisors (see below), whose sum is σ = 4339752. Its totient is φ = 2350080.

The previous prime is 3261353. The next prime is 3261371. The reversal of 3261365 is 5631623.

It can be written as a sum of positive squares in 12 ways, for example, as 188356 + 3073009 = 434^2 + 1753^2 .

It is not a de Polignac number, because 3261365 - 2¹² = 3257269 is a prime.

It is a Duffinian number.

Its product of digits (3240) is a multiple of the sum of its prime divisors (120).

It is a plaindrome in base 12.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 53435 + ... + 53495.

It is an arithmetic number, because the mean of its divisors is an integer number (180823).

Almost surely, 2^3261365 is an apocalyptic number.

It is an amenable number.

3261365 is a deficient number, since it is larger than the sum of its proper divisors (1078387).

3261365 is a wasteful number, since it uses less digits than its factorization.

3261365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137 (or 120 counting only the distinct ones).

The product of its digits is 3240, while the sum is 26.

The square root of 3261365 is about 1805.9249707560. The cubic root of 3261365 is about 148.2972628983.

Adding to 3261365 its reverse (5631623), we get a palindrome (8892988).

The spelling of 3261365 in words is "three million, two hundred sixty-one thousand, three hundred sixty-five".