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25312004167 is a prime number
BaseRepresentation
bin10111100100101101…
…101000100001000111
32102100001000001001211
4113210231220201013
5403314333113132
615343404032251
71554153325342
oct274455504107
972301001054
1025312004167
11a809a6a40a
124aa4b32687
132505078178
1413219a3459
159d22a3147
hex5e4b68847

25312004167 has 2 divisors, whose sum is σ = 25312004168. Its totient is φ = 25312004166.

The previous prime is 25312004119. The next prime is 25312004189. The reversal of 25312004167 is 76140021352.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25312004167 - 211 = 25312002119 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25312004197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12656002083 + 12656002084.

It is an arithmetic number, because the mean of its divisors is an integer number (12656002084).

Almost surely, 225312004167 is an apocalyptic number.

25312004167 is a deficient number, since it is larger than the sum of its proper divisors (1).

25312004167 is an equidigital number, since it uses as much as digits as its factorization.

25312004167 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10080, while the sum is 31.

The spelling of 25312004167 in words is "twenty-five billion, three hundred twelve million, four thousand, one hundred sixty-seven".