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523525 = 5243487
BaseRepresentation
bin1111111110100000101
3222121010211
41333310011
5113223100
615115421
74310212
oct1776405
9877124
10523525
11328372
12212b71
131543a2
14d8b09
15a51ba
hex7fd05

523525 has 12 divisors (see below), whose sum is σ = 665632. Its totient is φ = 408240.

The previous prime is 523519. The next prime is 523541. The reversal of 523525 is 525325.

It is not a de Polignac number, because 523525 - 25 = 523493 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 523496 and 523505.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 832 + ... + 1318.

2523525 is an apocalyptic number.

It is an amenable number.

523525 is a deficient number, since it is larger than the sum of its proper divisors (142107).

523525 is a wasteful number, since it uses less digits than its factorization.

523525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 540 (or 535 counting only the distinct ones).

The product of its digits is 1500, while the sum is 22.

The square root of 523525 is about 723.5502746873. The cubic root of 523525 is about 80.5958120013.

The spelling of 523525 in words is "five hundred twenty-three thousand, five hundred twenty-five".

Divisors: 1 5 25 43 215 487 1075 2435 12175 20941 104705 523525