2867251 has 4 divisors (see below), whose sum is σ = 2875312. Its totient is φ = 2859192.

The previous prime is 2867243. The next prime is 2867269. The reversal of 2867251 is 1527682.

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 2867251 - 2³ = 2867243 is a prime.

It is a super-2 number, since 2×2867251² = 16442256594002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2867231) 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, 3471 + ... + 4216.

It is an arithmetic number, because the mean of its divisors is an integer number (718828).

2^2867251 is an apocalyptic number.

2867251 is a deficient number, since it is larger than the sum of its proper divisors (8061).

2867251 is an equidigital number, since it uses as much as digits as its factorization.

2867251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8060.

The product of its digits is 6720, while the sum is 31.

The square root of 2867251 is about 1693.2958985363. The cubic root of 2867251 is about 142.0654825935.

The spelling of 2867251 in words is "two million, eight hundred sixty-seven thousand, two hundred fifty-one".