2565375 has 16 divisors (see below), whose sum is σ = 4269408. Its totient is φ = 1368000.

The previous prime is 2565349. The next prime is 2565377. The reversal of 2565375 is 5735652.

It is a de Polignac number, because none of the positive numbers 2^k-2565375 is a prime.

It is a super-5 number, since 5×2565375⁵ (a number of 33 digits) contains 55555 as substring. Note that it is a super-d number also for d = 2.

It is a d-powerful number, because it can be written as 2⁵ + 5 + 6⁸ + 5 + 3¹⁰ + 7⁷ + 5⁵ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2565377) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3046 + ... + 3795.

It is an arithmetic number, because the mean of its divisors is an integer number (266838).

2^2565375 is an apocalyptic number.

2565375 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2565375 is a deficient number, since it is larger than the sum of its proper divisors (1704033).

2565375 is an equidigital number, since it uses as much as digits as its factorization.

2565375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6859 (or 6849 counting only the distinct ones).

The product of its digits is 31500, while the sum is 33.

The square root of 2565375 is about 1601.6788067525. The cubic root of 2565375 is about 136.8937496468.

The spelling of 2565375 in words is "two million, five hundred sixty-five thousand, three hundred seventy-five".