2723251 has 4 divisors (see below), whose sum is σ = 2866600. Its totient is φ = 2579904.

The previous prime is 2723249. The next prime is 2723293. The reversal of 2723251 is 1523272.

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 2723251 - 2¹ = 2723249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2723221) 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, 71646 + ... + 71683.

It is an arithmetic number, because the mean of its divisors is an integer number (716650).

2^2723251 is an apocalyptic number.

2723251 is a deficient number, since it is larger than the sum of its proper divisors (143349).

2723251 is a wasteful number, since it uses less digits than its factorization.

2723251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143348.

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

The square root of 2723251 is about 1650.2275600656. The cubic root of 2723251 is about 139.6462326653.

The spelling of 2723251 in words is "two million, seven hundred twenty-three thousand, two hundred fifty-one".