3561481 has 16 divisors (see below), whose sum is σ = 4635648. Its totient is φ = 2653200.

The previous prime is 3561479. The next prime is 3561499. The reversal of 3561481 is 1841653.

3561481 = 564² + 565² + ... + 574².

3561481 = 16³ + 17³ + ... + 61³.

It is not a de Polignac number, because 3561481 - 2¹ = 3561479 is a prime.

It is a super-2 number, since 2×3561481² = 25368293826722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3561581) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 766 + ... + 2776.

It is an arithmetic number, because the mean of its divisors is an integer number (289728).

Almost surely, 2^3561481 is an apocalyptic number.

It is an amenable number.

3561481 is a deficient number, since it is larger than the sum of its proper divisors (1074167).

3561481 is a wasteful number, since it uses less digits than its factorization.

3561481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2052.

The product of its digits is 2880, while the sum is 28.

The square root of 3561481 is about 1887.1886498175. The cubic root of 3561481 is about 152.7133053755.

It can be divided in two parts, 35 and 61481, that added together give a palindrome (61516).

The spelling of 3561481 in words is "three million, five hundred sixty-one thousand, four hundred eighty-one".