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6485825 = 52614253
BaseRepresentation
bin11000101111011101000001
3110012111212202
4120233131001
53130021300
6351002545
7106062053
oct30573501
913174782
106485825
11372a995
122209455
131461188
14c0b8d3
15881ad5
hex62f741

6485825 has 12 divisors (see below), whose sum is σ = 8176188. Its totient is φ = 5102400.

The previous prime is 6485803. The next prime is 6485833. The reversal of 6485825 is 5285846.

It can be written as a sum of positive squares in 6 ways, for example, as 2521744 + 3964081 = 1588^2 + 1991^2 .

It is not a de Polignac number, because 6485825 - 210 = 6484801 is a prime.

It is a Duffinian 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, 602 + ... + 3651.

It is an arithmetic number, because the mean of its divisors is an integer number (681349).

Almost surely, 26485825 is an apocalyptic number.

It is an amenable number.

6485825 is a deficient number, since it is larger than the sum of its proper divisors (1690363).

6485825 is a wasteful number, since it uses less digits than its factorization.

6485825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4324 (or 4319 counting only the distinct ones).

The product of its digits is 76800, while the sum is 38.

The square root of 6485825 is about 2546.7282933207. The cubic root of 6485825 is about 186.4897966803.

The spelling of 6485825 in words is "six million, four hundred eighty-five thousand, eight hundred twenty-five".

Divisors: 1 5 25 61 305 1525 4253 21265 106325 259433 1297165 6485825