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1005061 = 2234507
BaseRepresentation
bin11110101011000000101
31220001200111
43311120011
5224130221
633313021
711354131
oct3653005
91801614
101005061
11627132
12405771
13292615
141c23c1
1514cbe1
hexf5605

1005061 has 4 divisors (see below), whose sum is σ = 1009792. Its totient is φ = 1000332.

The previous prime is 1005049. The next prime is 1005071. The reversal of 1005061 is 1605001.

1005061 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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.

It is a cyclic number.

It is not a de Polignac number, because 1005061 - 25 = 1005029 is a prime.

It is a super-2 number, since 2×10050612 = 2020295227442, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1005041) 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, 2031 + ... + 2476.

It is an arithmetic number, because the mean of its divisors is an integer number (252448).

21005061 is an apocalyptic number.

It is an amenable number.

1005061 is a deficient number, since it is larger than the sum of its proper divisors (4731).

1005061 is an equidigital number, since it uses as much as digits as its factorization.

1005061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4730.

The product of its (nonzero) digits is 30, while the sum is 13.

The square root of 1005061 is about 1002.5273063613. The cubic root of 1005061 is about 100.1684162006.

The spelling of 1005061 in words is "one million, five thousand, sixty-one".

Divisors: 1 223 4507 1005061