2251715 has 4 divisors (see below), whose sum is σ = 2702064. Its totient is φ = 1801368.

The previous prime is 2251703. The next prime is 2251727. The reversal of 2251715 is 5171522.

It is a happy number.

2251715 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 (2251703) and next prime (2251727).

It is a cyclic number.

It is not a de Polignac number, because 2251715 - 2¹⁸ = 1989571 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 225167 + ... + 225176.

It is an arithmetic number, because the mean of its divisors is an integer number (675516).

2^2251715 is an apocalyptic number.

2251715 is a deficient number, since it is larger than the sum of its proper divisors (450349).

2251715 is an equidigital number, since it uses as much as digits as its factorization.

2251715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 450348.

The product of its digits is 700, while the sum is 23.

The square root of 2251715 is about 1500.5715577739. The cubic root of 2251715 is about 131.0703543773.

The spelling of 2251715 in words is "two million, two hundred fifty-one thousand, seven hundred fifteen".