3621275 has 12 divisors (see below), whose sum is σ = 5132112. Its totient is φ = 2483040.

The previous prime is 3621271. The next prime is 3621287. The reversal of 3621275 is 5721263.

It is not a de Polignac number, because 3621275 - 2² = 3621271 is a prime.

It is a super-2 number, since 2×3621275² = 26227265251250, which contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 12.

It is not an unprimeable number, because it can be changed into a prime (3621271) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10172 + ... + 10521.

It is an arithmetic number, because the mean of its divisors is an integer number (427676).

Almost surely, 2^3621275 is an apocalyptic number.

3621275 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

3621275 is a deficient number, since it is larger than the sum of its proper divisors (1510837).

3621275 is a wasteful number, since it uses less digits than its factorization.

3621275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20710 (or 20705 counting only the distinct ones).

The product of its digits is 2520, while the sum is 26.

The square root of 3621275 is about 1902.9647921073. The cubic root of 3621275 is about 153.5632054110.

The spelling of 3621275 in words is "three million, six hundred twenty-one thousand, two hundred seventy-five".