2902001 has 4 divisors (see below), whose sum is σ = 3002100. Its totient is φ = 2801904.

The previous prime is 2901989. The next prime is 2902049. The reversal of 2902001 is 1002092.

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 2027776 + 874225 = 1424^2 + 935^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2902001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2902091) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50006 + ... + 50063.

It is an arithmetic number, because the mean of its divisors is an integer number (750525).

2^2902001 is an apocalyptic number.

It is an amenable number.

2902001 is a deficient number, since it is larger than the sum of its proper divisors (100099).

2902001 is a wasteful number, since it uses less digits than its factorization.

2902001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100098.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 2902001 is about 1703.5260491111. The cubic root of 2902001 is about 142.6371061657.

Adding to 2902001 its reverse (1002092), we get a palindrome (3904093).

The spelling of 2902001 in words is "two million, nine hundred two thousand, one".