2252815 has 4 divisors (see below), whose sum is σ = 2703384. Its totient is φ = 1802248.

The previous prime is 2252779. The next prime is 2252821. The reversal of 2252815 is 5182522.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5182522 = 2 ⋅2591261.

It is a cyclic number.

It is not a de Polignac number, because 2252815 - 2¹³ = 2244623 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2252815.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 225277 + ... + 225286.

It is an arithmetic number, because the mean of its divisors is an integer number (675846).

2^2252815 is an apocalyptic number.

2252815 is a deficient number, since it is larger than the sum of its proper divisors (450569).

2252815 is an equidigital number, since it uses as much as digits as its factorization.

2252815 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 450568.

The product of its digits is 1600, while the sum is 25.

The square root of 2252815 is about 1500.9380400270. The cubic root of 2252815 is about 131.0916942476.

It can be divided in two parts, 225 and 2815, that multiplied together give a triangular number (633375 = T₁₁₂₅).

The spelling of 2252815 in words is "two million, two hundred fifty-two thousand, eight hundred fifteen".