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67025 = 527383
BaseRepresentation
bin10000010111010001
310101221102
4100113101
54121100
61234145
7366260
oct202721
9111842
1067025
11463a2
1232955
132467a
141a5d7
1514cd5
hex105d1

67025 has 12 divisors (see below), whose sum is σ = 95232. Its totient is φ = 45840.

The previous prime is 67021. The next prime is 67033. The reversal of 67025 is 52076.

It is not a de Polignac number, because 67025 - 22 = 67021 is a prime.

It is a Duffinian number.

It is a plaindrome in base 13.

It is a junction number, because it is equal to n+sod(n) for n = 66988 and 67006.

It is not an unprimeable number, because it can be changed into a prime (67021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17 + ... + 366.

It is an arithmetic number, because the mean of its divisors is an integer number (7936).

267025 is an apocalyptic number.

It is an amenable number.

67025 is a deficient number, since it is larger than the sum of its proper divisors (28207).

67025 is a wasteful number, since it uses less digits than its factorization.

67025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400 (or 395 counting only the distinct ones).

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

The square root of 67025 is about 258.8918693200. The cubic root of 67025 is about 40.6205320530.

The spelling of 67025 in words is "sixty-seven thousand, twenty-five".

Divisors: 1 5 7 25 35 175 383 1915 2681 9575 13405 67025