3612531 has 16 divisors (see below), whose sum is σ = 5223680. Its totient is φ = 2207520.

The previous prime is 3612529. The next prime is 3612547. The reversal of 3612531 is 1352163.

It is not a de Polignac number, because 3612531 - 2¹ = 3612529 is a prime.

It is a super-2 number, since 2×3612531² = 26100760451922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3612498 and 3612507.

It is not an unprimeable number, because it can be changed into a prime (3612331) 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, 8010 + ... + 8448.

It is an arithmetic number, because the mean of its divisors is an integer number (326480).

Almost surely, 2^3612531 is an apocalyptic number.

3612531 is a deficient number, since it is larger than the sum of its proper divisors (1611149).

3612531 is a wasteful number, since it uses less digits than its factorization.

3612531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 666.

The product of its digits is 540, while the sum is 21.

The square root of 3612531 is about 1900.6659359288. The cubic root of 3612531 is about 153.4395069099.

Adding to 3612531 its reverse (1352163), we get a palindrome (4964694).

The spelling of 3612531 in words is "three million, six hundred twelve thousand, five hundred thirty-one".