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25963 = 73709
BaseRepresentation
bin110010101101011
31022121121
412111223
51312323
6320111
7135460
oct62553
938547
1025963
1118563
1213037
13ba82
149667
157a5d
hex656b

25963 has 4 divisors (see below), whose sum is σ = 29680. Its totient is φ = 22248.

The previous prime is 25951. The next prime is 25969. The reversal of 25963 is 36952.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 25963 - 25 = 25931 is a prime.

25963 is a lucky number.

It is a nialpdrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (25969) 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, 1848 + ... + 1861.

It is an arithmetic number, because the mean of its divisors is an integer number (7420).

225963 is an apocalyptic number.

25963 is a deficient number, since it is larger than the sum of its proper divisors (3717).

25963 is an equidigital number, since it uses as much as digits as its factorization.

25963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3716.

The product of its digits is 1620, while the sum is 25.

The square root of 25963 is about 161.1303819892. The cubic root of 25963 is about 29.6109011467.

The spelling of 25963 in words is "twenty-five thousand, nine hundred sixty-three".

Divisors: 1 7 3709 25963