2152071 has 6 divisors (see below), whose sum is σ = 3108560. Its totient is φ = 1434708.

The previous prime is 2152069. The next prime is 2152079. The reversal of 2152071 is 1702512.

It is not a de Polignac number, because 2152071 - 2¹ = 2152069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2152079) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 119551 + ... + 119568.

2^2152071 is an apocalyptic number.

2152071 is a deficient number, since it is larger than the sum of its proper divisors (956489).

2152071 is a wasteful number, since it uses less digits than its factorization.

2152071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239125 (or 239122 counting only the distinct ones).

The product of its (nonzero) digits is 140, while the sum is 18.

The square root of 2152071 is about 1466.9938650178. The cubic root of 2152071 is about 129.1077160525.

Adding to 2152071 its sum of digits (18), we get a square (2152089 = 1467²).

Adding to 2152071 its reverse (1702512), we get a palindrome (3854583).

The spelling of 2152071 in words is "two million, one hundred fifty-two thousand, seventy-one".