3540001 has 4 divisors (see below), whose sum is σ = 3662100. Its totient is φ = 3417904.

The previous prime is 3539971. The next prime is 3540041. The reversal of 3540001 is 1000453.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 731025 + 2808976 = 855^2 + 1676^2 .

It is a cyclic number.

It is not a de Polignac number, because 3540001 - 2¹¹ = 3537953 is a prime.

It is a Duffinian number.

3540001 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3540041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61006 + ... + 61063.

It is an arithmetic number, because the mean of its divisors is an integer number (915525).

Almost surely, 2^3540001 is an apocalyptic number.

It is an amenable number.

3540001 is a deficient number, since it is larger than the sum of its proper divisors (122099).

3540001 is a wasteful number, since it uses less digits than its factorization.

3540001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122098.

The product of its (nonzero) digits is 60, while the sum is 13.

The square root of 3540001 is about 1881.4890379697. The cubic root of 3540001 is about 152.4056713077.

Adding to 3540001 its reverse (1000453), we get a palindrome (4540454).

The spelling of 3540001 in words is "three million, five hundred forty thousand, one".