3540537 has 64 divisors (see below), whose sum is σ = 7096320. Its totient is φ = 1684800.

The previous prime is 3540533. The next prime is 3540553. The reversal of 3540537 is 7350453.

It is a happy number.

It is not a de Polignac number, because 3540537 - 2² = 3540533 is a prime.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 3540537.

It is not an unprimeable number, because it can be changed into a prime (3540533) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 26962 + ... + 27092.

It is an arithmetic number, because the mean of its divisors is an integer number (110880).

Almost surely, 2^3540537 is an apocalyptic number.

It is an amenable number.

3540537 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

3540537 is a wasteful number, since it uses less digits than its factorization.

3540537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171 (or 165 counting only the distinct ones).

The product of its (nonzero) digits is 6300, while the sum is 27.

The square root of 3540537 is about 1881.6314729511. The cubic root of 3540537 is about 152.4133629550.

3540537 divided by its sum of digits (27) gives a palindrome (131131).

The spelling of 3540537 in words is "three million, five hundred forty thousand, five hundred thirty-seven".