265000 has 40 divisors (see below), whose sum is σ = 632610. Its totient is φ = 104000.

The previous prime is 264997. The next prime is 265003. The reversal of 265000 is 562.

It is an interprime number because it is at equal distance from previous prime (264997) and next prime (265003).

It can be written as a sum of positive squares in 5 ways, for example, as 12996 + 252004 = 114^2 + 502^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (265003) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 4974 + ... + 5026.

2²⁶⁵⁰⁰⁰ is an apocalyptic number.

265000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 265000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (316305).

265000 is an abundant number, since it is smaller than the sum of its proper divisors (367610).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

265000 is an equidigital number, since it uses as much as digits as its factorization.

265000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79 (or 60 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 13.

The square root of 265000 is about 514.7815070494. The cubic root of 265000 is about 64.2315828856.

Adding to 265000 its reverse (562), we get a palindrome (265562).

The spelling of 265000 in words is "two hundred sixty-five thousand".