2152001 has 2 divisors, whose sum is σ = 2152002. Its totient is φ = 2152000.

The previous prime is 2151991. The next prime is 2152009. The reversal of 2152001 is 1002512.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2146225 + 5776 = 1465^2 + 76^2 .

It is a cyclic number.

It is not a de Polignac number, because 2152001 - 2¹⁰ = 2150977 is a prime.

It is a super-2 number, since 2×2152001² = 9262216608002, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2152009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1076000 + 1076001.

It is an arithmetic number, because the mean of its divisors is an integer number (1076001).

2^2152001 is an apocalyptic number.

It is an amenable number.

2152001 is a deficient number, since it is larger than the sum of its proper divisors (1).

2152001 is an equidigital number, since it uses as much as digits as its factorization.

2152001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20, while the sum is 11.

The square root of 2152001 is about 1466.9700065100. The cubic root of 2152001 is about 129.1063162167.

Adding to 2152001 its reverse (1002512), we get a palindrome (3154513).

The spelling of 2152001 in words is "two million, one hundred fifty-two thousand, one".