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25514121 = 338921863
BaseRepresentation
bin110000101010…
…1000010001001
31210000020210110
41201111002021
523012422441
62310504533
7426603123
oct141250211
953006713
1025514121
1113447156
128665149
135394219
143562213
15238eb16
hex1855089

25514121 has 8 divisors (see below), whose sum is σ = 34107840. Its totient is φ = 16964912.

The previous prime is 25514089. The next prime is 25514141. The reversal of 25514121 is 12141552.

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 25514121 - 25 = 25514089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25514141) 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, 9765 + ... + 12098.

It is an arithmetic number, because the mean of its divisors is an integer number (4263480).

Almost surely, 225514121 is an apocalyptic number.

It is an amenable number.

25514121 is a deficient number, since it is larger than the sum of its proper divisors (8593719).

25514121 is a wasteful number, since it uses less digits than its factorization.

25514121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22255.

The product of its digits is 400, while the sum is 21.

The square root of 25514121 is about 5051.1504630134. The cubic root of 25514121 is about 294.3925871994.

Adding to 25514121 its reverse (12141552), we get a palindrome (37655673).

The spelling of 25514121 in words is "twenty-five million, five hundred fourteen thousand, one hundred twenty-one".

Divisors: 1 3 389 1167 21863 65589 8504707 25514121