3261530 has 8 divisors (see below), whose sum is σ = 5870772. Its totient is φ = 1304608.

The previous prime is 3261523. The next prime is 3261539. The reversal of 3261530 is 351623.

It can be written as a sum of positive squares in 2 ways, for example, as 3200521 + 61009 = 1789^2 + 247^2 .

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

It is not an unprimeable number, because it can be changed into a prime (3261539) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 163067 + ... + 163086.

Almost surely, 2^3261530 is an apocalyptic number.

3261530 is a deficient number, since it is larger than the sum of its proper divisors (2609242).

3261530 is a wasteful number, since it uses less digits than its factorization.

3261530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326160.

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 3261530 is about 1805.9706531392. The cubic root of 3261530 is about 148.2997637566.

The spelling of 3261530 in words is "three million, two hundred sixty-one thousand, five hundred thirty".