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135025 = 5211491
BaseRepresentation
bin100000111101110001
320212012221
4200331301
513310100
62521041
71101442
oct407561
9225187
10135025
11924a0
1266181
13495c7
14372c9
152a01a
hex20f71

135025 has 12 divisors (see below), whose sum is σ = 183024. Its totient is φ = 98000.

The previous prime is 135019. The next prime is 135029. The reversal of 135025 is 520531.

135025 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 135025 - 23 = 135017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135029) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30 + ... + 520.

It is an arithmetic number, because the mean of its divisors is an integer number (15252).

135025 is a Friedman number, since it can be written as 5*(30^(2+1)+5), using all its digits and the basic arithmetic operations.

2135025 is an apocalyptic number.

It is an amenable number.

135025 is a deficient number, since it is larger than the sum of its proper divisors (47999).

135025 is a wasteful number, since it uses less digits than its factorization.

135025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 512 (or 507 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 16.

The square root of 135025 is about 367.4574805335. The cubic root of 135025 is about 51.3024448270.

Adding to 135025 its reverse (520531), we get a palindrome (655556).

The spelling of 135025 in words is "one hundred thirty-five thousand, twenty-five".

Divisors: 1 5 11 25 55 275 491 2455 5401 12275 27005 135025