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25936 = 241621

25936 has 10 divisors (see below), whose sum is σ = 50282. Its totient is φ = 12960.

The previous prime is 25933. The next prime is 25939. The reversal of 25936 is 63952.

It is an interprime number because it is at equal distance from previous prime (25933) and next prime (25939).

It can be written as a sum of positive squares in only one way, i.e., 24336 + 1600 = 156^2 + 40^2 .

It is a nialpdrome in base 13 and base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 25936.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 795 + ... + 826.

225936 is an apocalyptic number.

It is an amenable number.

25936 is a deficient number, since it is larger than the sum of its proper divisors (24346).

25936 is a wasteful number, since it uses less digits than its factorization.

25936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1629 (or 1623 counting only the distinct ones).

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

The square root of 25936 is about 161.0465771136. The cubic root of 25936 is about 29.6006330520.

Adding to 25936 its product of digits (1620), we get a square (27556 = 1662).

It can be divided in two parts, 25 and 936, that added together give a square (961 = 312).

The spelling of 25936 in words is "twenty-five thousand, nine hundred thirty-six".

Divisors: 1 2 4 8 16 1621 3242 6484 12968 25936