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25226 = 212613
BaseRepresentation
bin110001010001010
31021121022
412022022
51301401
6312442
7133355
oct61212
937538
1025226
1117a53
1212722
13b636
14929c
15771b
hex628a

25226 has 4 divisors (see below), whose sum is σ = 37842. Its totient is φ = 12612.

The previous prime is 25219. The next prime is 25229. The reversal of 25226 is 62252.

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

It can be written as a sum of positive squares in only one way, i.e., 22201 + 3025 = 149^2 + 55^2 .

It is a plaindrome in base 7.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 25226.

It is not an unprimeable number, because it can be changed into a prime (25229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6305 + ... + 6308.

225226 is an apocalyptic number.

25226 is a deficient number, since it is larger than the sum of its proper divisors (12616).

25226 is a wasteful number, since it uses less digits than its factorization.

25226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12615.

The product of its digits is 240, while the sum is 17.

The square root of 25226 is about 158.8269498542. The cubic root of 25226 is about 29.3280236027.

Adding to 25226 its reverse (62252), we get a palindrome (87478).

The spelling of 25226 in words is "twenty-five thousand, two hundred twenty-six".

Divisors: 1 2 12613 25226