3537481 has 4 divisors (see below), whose sum is σ = 3619792. Its totient is φ = 3455172.

The previous prime is 3537467. The next prime is 3537487. The reversal of 3537481 is 1847353.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3537481 - 2¹⁹ = 3013193 is a prime.

It is a super-2 number, since 2×3537481² = 25027543650722, which contains 22 as substring.

It is a d-powerful number, because it can be written as 3⁹ + 5³ + 3¹² + 7⁷ + 4⁸ + 8⁷ + 1 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3537487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41091 + ... + 41176.

It is an arithmetic number, because the mean of its divisors is an integer number (904948).

Almost surely, 2^3537481 is an apocalyptic number.

It is an amenable number.

3537481 is a deficient number, since it is larger than the sum of its proper divisors (82311).

3537481 is an equidigital number, since it uses as much as digits as its factorization.

3537481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82310.

The product of its digits is 10080, while the sum is 31.

The square root of 3537481 is about 1880.8192363967. The cubic root of 3537481 is about 152.3694986756.

The spelling of 3537481 in words is "three million, five hundred thirty-seven thousand, four hundred eighty-one".