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14212525 = 525231087
BaseRepresentation
bin110110001101…
…110110101101
3222202001220211
4312031312231
512114300100
61224342421
7231542635
oct66156655
928661824
1014212525
118028098
124914a11
132c380a2
141c5d6c5
1513ab1ba
hexd8ddad

14212525 has 12 divisors (see below), whose sum is σ = 17673472. Its totient is φ = 11337840.

The previous prime is 14212519. The next prime is 14212529. The reversal of 14212525 is 52521241.

It is not a de Polignac number, because 14212525 - 27 = 14212397 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 14212496 and 14212505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14212529) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12532 + ... + 13618.

Almost surely, 214212525 is an apocalyptic number.

It is an amenable number.

14212525 is a deficient number, since it is larger than the sum of its proper divisors (3460947).

14212525 is a wasteful number, since it uses less digits than its factorization.

14212525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1620 (or 1615 counting only the distinct ones).

The product of its digits is 800, while the sum is 22.

The square root of 14212525 is about 3769.9502649239. The cubic root of 14212525 is about 242.2276674966.

Adding to 14212525 its reverse (52521241), we get a palindrome (66733766).

The spelling of 14212525 in words is "fourteen million, two hundred twelve thousand, five hundred twenty-five".

Divisors: 1 5 25 523 1087 2615 5435 13075 27175 568501 2842505 14212525