2072506 has 4 divisors (see below), whose sum is σ = 3108762. Its totient is φ = 1036252.

The previous prime is 2072491. The next prime is 2072527. The reversal of 2072506 is 6052702.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6052702 = 2 ⋅3026351.

It can be written as a sum of positive squares in only one way, i.e., 1846881 + 225625 = 1359^2 + 475^2 .

It is a super-2 number, since 2×2072506² = 8590562240072, which contains 22 as substring.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 518125 + ... + 518128.

2^2072506 is an apocalyptic number.

2072506 is a deficient number, since it is larger than the sum of its proper divisors (1036256).

2072506 is a wasteful number, since it uses less digits than its factorization.

2072506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1036255.

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 2072506 is about 1439.6200887734. The cubic root of 2072506 is about 127.4965986533.

The spelling of 2072506 in words is "two million, seventy-two thousand, five hundred six".