2618251 has 4 divisors (see below), whose sum is σ = 2732112. Its totient is φ = 2504392.

The previous prime is 2618249. The next prime is 2618261. The reversal of 2618251 is 1528162.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1528162 = 2 ⋅764081.

It is a cyclic number.

It is not a de Polignac number, because 2618251 - 2¹ = 2618249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2618261) 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, 56896 + ... + 56941.

It is an arithmetic number, because the mean of its divisors is an integer number (683028).

2^2618251 is an apocalyptic number.

2618251 is a deficient number, since it is larger than the sum of its proper divisors (113861).

2618251 is a wasteful number, since it uses less digits than its factorization.

2618251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113860.

The product of its digits is 960, while the sum is 25.

The square root of 2618251 is about 1618.1010475245. The cubic root of 2618251 is about 137.8278852653.

The spelling of 2618251 in words is "two million, six hundred eighteen thousand, two hundred fifty-one".