2026651 has 4 divisors (see below), whose sum is σ = 2210904. Its totient is φ = 1842400.

The previous prime is 2026639. The next prime is 2026663. The reversal of 2026651 is 1566202.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (2026639) and next prime (2026663).

It is a cyclic number.

It is not a de Polignac number, because 2026651 - 2⁷ = 2026523 is a prime.

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 a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2026631) 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, 92110 + ... + 92131.

It is an arithmetic number, because the mean of its divisors is an integer number (552726).

2^2026651 is an apocalyptic number.

2026651 is a deficient number, since it is larger than the sum of its proper divisors (184253).

2026651 is a wasteful number, since it uses less digits than its factorization.

2026651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184252.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 2026651 is about 1423.6049311519. The cubic root of 2026651 is about 126.5492733523.

The spelling of 2026651 in words is "two million, twenty-six thousand, six hundred fifty-one".