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7265 = 51453
BaseRepresentation
bin1110001100001
3100222002
41301201
5213030
653345
730116
oct16141
910862
107265
115505
124255
1333cb
14290d
152245
hex1c61

7265 has 4 divisors (see below), whose sum is σ = 8724. Its totient is φ = 5808.

The previous prime is 7253. The next prime is 7283. The reversal of 7265 is 5627.

It can be divided in two parts, 7 and 265, that added together give a palindrome (272).

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5627 = 17331.

It can be written as a sum of positive squares in 2 ways, for example, as 5329 + 1936 = 73^2 + 44^2 .

It is a cyclic number.

It is not a de Polignac number, because 7265 - 212 = 3169 is a prime.

It is a Duffinian number.

It is a plaindrome in base 15.

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, 722 + ... + 731.

It is an arithmetic number, because the mean of its divisors is an integer number (2181).

27265 is an apocalyptic number.

It is an amenable number.

7265 is a deficient number, since it is larger than the sum of its proper divisors (1459).

7265 is a wasteful number, since it uses less digits than its factorization.

7265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1458.

The product of its digits is 420, while the sum is 20.

The square root of 7265 is about 85.2349693494. The cubic root of 7265 is about 19.3677218588.

The spelling of 7265 in words is "seven thousand, two hundred sixty-five".

Divisors: 1 5 1453 7265