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1025061 = 3341687
BaseRepresentation
bin11111010010000100101
31221002010020
43322100211
5230300221
633545353
711466342
oct3722045
91832106
101025061
11640164
12415259
1329b75b
141c97c9
15153ac6
hexfa425

1025061 has 4 divisors (see below), whose sum is σ = 1366752. Its totient is φ = 683372.

The previous prime is 1025047. The next prime is 1025081. The reversal of 1025061 is 1605201.

1025061 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 1025061 - 25 = 1025029 is a prime.

It is a D-number.

It is a self number, because there is not a number n which added to its sum of digits gives 1025061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1025021) 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, 170841 + ... + 170846.

It is an arithmetic number, because the mean of its divisors is an integer number (341688).

21025061 is an apocalyptic number.

It is an amenable number.

1025061 is a deficient number, since it is larger than the sum of its proper divisors (341691).

1025061 is an equidigital number, since it uses as much as digits as its factorization.

1025061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341690.

The product of its (nonzero) digits is 60, while the sum is 15.

The square root of 1025061 is about 1012.4529618703. The cubic root of 1025061 is about 100.8284838564.

The spelling of 1025061 in words is "one million, twenty-five thousand, sixty-one".

Divisors: 1 3 341687 1025061