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25872461 is a prime number
BaseRepresentation
bin110001010110…
…0100001001101
31210200110100022
41202230201031
523110404321
62322311525
7432624626
oct142544115
953613308
1025872461
11136713aa
1287b85a5
13548b364
143616a4d
152410dab
hex18ac84d

25872461 has 2 divisors, whose sum is σ = 25872462. Its totient is φ = 25872460.

The previous prime is 25872443. The next prime is 25872523. The reversal of 25872461 is 16427852.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18748900 + 7123561 = 4330^2 + 2669^2 .

It is a cyclic number.

It is not a de Polignac number, because 25872461 - 26 = 25872397 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25872061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12936230 + 12936231.

It is an arithmetic number, because the mean of its divisors is an integer number (12936231).

Almost surely, 225872461 is an apocalyptic number.

It is an amenable number.

25872461 is a deficient number, since it is larger than the sum of its proper divisors (1).

25872461 is an equidigital number, since it uses as much as digits as its factorization.

25872461 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 26880, while the sum is 35.

The square root of 25872461 is about 5086.4979111369. The cubic root of 25872461 is about 295.7644103317.

The spelling of 25872461 in words is "twenty-five million, eight hundred seventy-two thousand, four hundred sixty-one".