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25009253 = 711632161
BaseRepresentation
bin101111101100…
…1110001100101
31202001121020122
41133121301211
522400244003
62252011325
7422401163
oct137316145
952047218
1025009253
1113131905
128460b45
135248499
143470233
1522e0238
hex17d9c65

25009253 has 8 divisors (see below), whose sum is σ = 25528896. Its totient is φ = 24494400.

The previous prime is 25009249. The next prime is 25009321. The reversal of 25009253 is 35290052.

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 25009253 - 22 = 25009249 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25009553) 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, 10493 + ... + 12653.

It is an arithmetic number, because the mean of its divisors is an integer number (3191112).

Almost surely, 225009253 is an apocalyptic number.

It is an amenable number.

25009253 is a deficient number, since it is larger than the sum of its proper divisors (519643).

25009253 is a wasteful number, since it uses less digits than its factorization.

25009253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2395.

The product of its (nonzero) digits is 2700, while the sum is 26.

The square root of 25009253 is about 5000.9252143978. The cubic root of 25009253 is about 292.4378439531.

The spelling of 25009253 in words is "twenty-five million, nine thousand, two hundred fifty-three".

Divisors: 1 71 163 2161 11573 153431 352243 25009253