2265975 has 36 divisors (see below), whose sum is σ = 4220216. Its totient is φ = 1205280.

The previous prime is 2265953. The next prime is 2265979. The reversal of 2265975 is 5795622.

2265975 = 26³ + 27³ + ... + 55³.

It is not a de Polignac number, because 2265975 - 2⁵ = 2265943 is a prime.

It is a Duffinian number.

2265975 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2265979) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 5889 + ... + 6261.

2^2265975 is an apocalyptic number.

2265975 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2265975 is a deficient number, since it is larger than the sum of its proper divisors (1954241).

2265975 is an equidigital number, since it uses as much as digits as its factorization.

2265975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398 (or 381 counting only the distinct ones).

The product of its digits is 37800, while the sum is 36.

The square root of 2265975 is about 1505.3155815310. The cubic root of 2265975 is about 131.3464597036.

It can be divided in two parts, 2265 and 975, that added together give a triangular number (3240 = T₈₀).

The spelling of 2265975 in words is "two million, two hundred sixty-five thousand, nine hundred seventy-five".