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2605061 = 7136691
BaseRepresentation
bin1001111100000000000101
311220100110202
421330000011
51131330221
6131500245
731066634
oct11740005
94810422
102605061
11151a248
12a57685
13702974
144bb51b
15366d0b
hex27c005

2605061 has 4 divisors (see below), whose sum is σ = 2641824. Its totient is φ = 2568300.

The previous prime is 2605039. The next prime is 2605073. The reversal of 2605061 is 1605062.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1605062 = 2802531.

It is a cyclic number.

It is not a de Polignac number, because 2605061 - 26 = 2604997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2605021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18275 + ... + 18416.

It is an arithmetic number, because the mean of its divisors is an integer number (660456).

22605061 is an apocalyptic number.

It is an amenable number.

2605061 is a deficient number, since it is larger than the sum of its proper divisors (36763).

2605061 is an equidigital number, since it uses as much as digits as its factorization.

2605061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36762.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 2605061 is about 1614.0201361817. The cubic root of 2605061 is about 137.5960496939.

Subtracting from 2605061 its reverse (1605062), we obtain a palindrome (999999).

The spelling of 2605061 in words is "two million, six hundred five thousand, sixty-one".

Divisors: 1 71 36691 2605061