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25069 = 114353
BaseRepresentation
bin110000111101101
31021101111
412013231
51300234
6312021
7133042
oct60755
937344
1025069
1117920
1212611
13b545
1491c9
157664
hex61ed

25069 has 8 divisors (see below), whose sum is σ = 28512. Its totient is φ = 21840.

The previous prime is 25057. The next prime is 25073. The reversal of 25069 is 96052.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 25069 - 25 = 25037 is a prime.

It is a super-2 number, since 2×250692 = 1256909522, which contains 22 as substring.

It is a nialpdrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25169) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 447 + ... + 499.

It is an arithmetic number, because the mean of its divisors is an integer number (3564).

225069 is an apocalyptic number.

It is an amenable number.

25069 is a deficient number, since it is larger than the sum of its proper divisors (3443).

25069 is a wasteful number, since it uses less digits than its factorization.

25069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107.

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 25069 is about 158.3319298183. The cubic root of 25069 is about 29.2670536343.

Adding to 25069 its reverse (96052), we get a palindrome (121121).

The spelling of 25069 in words is "twenty-five thousand, sixty-nine".

Divisors: 1 11 43 53 473 583 2279 25069