3501001 has 16 divisors (see below), whose sum is σ = 4176000. Its totient is φ = 2932944.

The previous prime is 3500999. The next prime is 3501041. The reversal of 3501001 is 1001053.

3501001 = 214² + 215² + ... + 272².

It is not a de Polignac number, because 3501001 - 2¹ = 3500999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3501041) 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 15 ways as a sum of consecutive naturals, for example, 20151 + ... + 20323.

It is an arithmetic number, because the mean of its divisors is an integer number (261000).

Almost surely, 2^3501001 is an apocalyptic number.

It is an amenable number.

3501001 is a deficient number, since it is larger than the sum of its proper divisors (674999).

3501001 is an equidigital number, since it uses as much as digits as its factorization.

3501001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253 (or 239 counting only the distinct ones).

The product of its (nonzero) digits is 15, while the sum is 10.

The square root of 3501001 is about 1871.0962027646. The cubic root of 3501001 is about 151.8439216215.

Adding to 3501001 its reverse (1001053), we get a palindrome (4502054).

The spelling of 3501001 in words is "three million, five hundred one thousand, one".