Search a number
-
+
25005253 = 713274783
BaseRepresentation
bin101111101100…
…0110011000101
31202001101202111
41133120303011
522400132003
62251541021
7422353420
oct137306305
952041674
1025005253
11131298a9
12845a771
135246710
14346c9b7
1522dde6d
hex17d8cc5

25005253 has 8 divisors (see below), whose sum is σ = 30775808. Its totient is φ = 19784304.

The previous prime is 25005191. The next prime is 25005263. The reversal of 25005253 is 35250052.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-25005253 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25005263) 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, 137301 + ... + 137482.

It is an arithmetic number, because the mean of its divisors is an integer number (3846976).

Almost surely, 225005253 is an apocalyptic number.

It is an amenable number.

25005253 is a deficient number, since it is larger than the sum of its proper divisors (5770555).

25005253 is a wasteful number, since it uses less digits than its factorization.

25005253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274803.

The product of its (nonzero) digits is 1500, while the sum is 22.

The square root of 25005253 is about 5000.5252724089. The cubic root of 25005253 is about 292.4222522073.

The spelling of 25005253 in words is "twenty-five million, five thousand, two hundred fifty-three".

Divisors: 1 7 13 91 274783 1923481 3572179 25005253