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2561041 = 7715153
BaseRepresentation
bin1001110001010000010001
311211010002101
421301100101
51123423131
6130520401
730524410
oct11612021
94733071
102561041
11149a16a
12a36101
136b8912
144a9477
15358c61
hex271411

2561041 has 8 divisors (see below), whose sum is σ = 2968704. Its totient is φ = 2163840.

The previous prime is 2561023. The next prime is 2561051. The reversal of 2561041 is 1401652.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2561041 - 221 = 463889 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 (2561021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2080 + ... + 3073.

It is an arithmetic number, because the mean of its divisors is an integer number (371088).

22561041 is an apocalyptic number.

It is an amenable number.

2561041 is a deficient number, since it is larger than the sum of its proper divisors (407663).

2561041 is an equidigital number, since it uses as much as digits as its factorization.

2561041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5231.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 2561041 is about 1600.3252794354. The cubic root of 2561041 is about 136.8166157730.

Adding to 2561041 its reverse (1401652), we get a palindrome (3962693).

It can be divided in two parts, 25610 and 41, that added together give a triangular number (25651 = T226).

The spelling of 2561041 in words is "two million, five hundred sixty-one thousand, forty-one".

Divisors: 1 7 71 497 5153 36071 365863 2561041