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7025 = 52281
BaseRepresentation
bin1101101110001
3100122012
41231301
5211100
652305
726324
oct15561
910565
107025
115307
124095
133275
1427bb
152135
hex1b71

7025 has 6 divisors (see below), whose sum is σ = 8742. Its totient is φ = 5600.

The previous prime is 7019. The next prime is 7027. The reversal of 7025 is 5207.

It can be divided in two parts, 702 and 5, that added together give a palindrome (707).

7025 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 784 + 6241 = 28^2 + 79^2 .

It is not a de Polignac number, because 7025 - 26 = 6961 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a plaindrome in base 14.

It is a nialpdrome in base 5.

It is not an unprimeable number, because it can be changed into a prime (7027) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 116 + ... + 165.

It is an arithmetic number, because the mean of its divisors is an integer number (1457).

27025 is an apocalyptic number.

It is an amenable number.

7025 is a deficient number, since it is larger than the sum of its proper divisors (1717).

7025 is a wasteful number, since it uses less digits than its factorization.

7025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291 (or 286 counting only the distinct ones).

The product of its (nonzero) digits is 70, while the sum is 14.

The square root of 7025 is about 83.8152730712. The cubic root of 7025 is about 19.1520577610.

The spelling of 7025 in words is "seven thousand, twenty-five".

Divisors: 1 5 25 281 1405 7025