2686051 has 4 divisors (see below), whose sum is σ = 2844072. Its totient is φ = 2528032.

The previous prime is 2686043. The next prime is 2686063. The reversal of 2686051 is 1506862.

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

It is a cyclic number.

It is not a de Polignac number, because 2686051 - 2³ = 2686043 is a prime.

It is a Duffinian number.

2686051 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2686451) 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, 78985 + ... + 79018.

It is an arithmetic number, because the mean of its divisors is an integer number (711018).

2^2686051 is an apocalyptic number.

2686051 is a deficient number, since it is larger than the sum of its proper divisors (158021).

2686051 is a wasteful number, since it uses less digits than its factorization.

2686051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158020.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 2686051 is about 1638.9176306331. The cubic root of 2686051 is about 139.0074526308.

The spelling of 2686051 in words is "two million, six hundred eighty-six thousand, fifty-one".