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1025313 = 3341771
BaseRepresentation
bin11111010010100100001
31221002110120
43322110201
5230302223
633550453
711500152
oct3722441
91832416
101025313
11640373
12415429
1329b8c3
141c9929
15153be3
hexfa521

1025313 has 4 divisors (see below), whose sum is σ = 1367088. Its totient is φ = 683540.

The previous prime is 1025303. The next prime is 1025327. The reversal of 1025313 is 3135201.

It is a happy number.

1025313 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 1025313 - 25 = 1025281 is a prime.

It is a D-number.

It is a nialpdrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 1025292 and 1025301.

It is not an unprimeable number, because it can be changed into a prime (1025303) 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, 170883 + ... + 170888.

It is an arithmetic number, because the mean of its divisors is an integer number (341772).

21025313 is an apocalyptic number.

It is an amenable number.

1025313 is a deficient number, since it is larger than the sum of its proper divisors (341775).

1025313 is an equidigital number, since it uses as much as digits as its factorization.

1025313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341774.

The product of its (nonzero) digits is 90, while the sum is 15.

The square root of 1025313 is about 1012.5774044487. The cubic root of 1025313 is about 100.8367457049.

The spelling of 1025313 in words is "one million, twenty-five thousand, three hundred thirteen".

Divisors: 1 3 341771 1025313