3561537 has 16 divisors (see below), whose sum is σ = 5462912. Its totient is φ = 2021760.

The previous prime is 3561529. The next prime is 3561539. The reversal of 3561537 is 7351653.

It is not a de Polignac number, because 3561537 - 2³ = 3561529 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3561539) 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, 3333 + ... + 4269.

It is an arithmetic number, because the mean of its divisors is an integer number (341432).

Almost surely, 2^3561537 is an apocalyptic number.

It is an amenable number.

3561537 is a deficient number, since it is larger than the sum of its proper divisors (1901375).

3561537 is a wasteful number, since it uses less digits than its factorization.

3561537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1128.

The product of its digits is 9450, while the sum is 30.

The square root of 3561537 is about 1887.2034866437. The cubic root of 3561537 is about 152.7141057823.

The spelling of 3561537 in words is "three million, five hundred sixty-one thousand, five hundred thirty-seven".