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265061 = 401661
BaseRepresentation
bin1000000101101100101
3111110121002
41000231211
531440221
65403045
72152526
oct1005545
9443532
10265061
11171165
12109485
1393854
146c84d
155380b
hex40b65

265061 has 4 divisors (see below), whose sum is σ = 266124. Its totient is φ = 264000.

The previous prime is 265037. The next prime is 265079. The reversal of 265061 is 160562.

265061 is nontrivially palindromic in base 6.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 244036 + 21025 = 494^2 + 145^2 .

It is a cyclic number.

It is not a de Polignac number, because 265061 - 26 = 264997 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 (265021) 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, 71 + ... + 731.

It is an arithmetic number, because the mean of its divisors is an integer number (66531).

2265061 is an apocalyptic number.

It is an amenable number.

265061 is a deficient number, since it is larger than the sum of its proper divisors (1063).

265061 is an equidigital number, since it uses as much as digits as its factorization.

265061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1062.

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

The square root of 265061 is about 514.8407520778. The cubic root of 265061 is about 64.2365109686.

The spelling of 265061 in words is "two hundred sixty-five thousand, sixty-one".

Divisors: 1 401 661 265061