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25007884247 is a prime number
BaseRepresentation
bin10111010010100101…
…100000011111010111
32101112211202010222002
4113102211200133113
5402204004243442
615253301425515
71543501336343
oct272245403727
971484663862
1025007884247
11a673331635
124a1b10b29b
132487067058
1412d343a623
159b572d732
hex5d29607d7

25007884247 has 2 divisors, whose sum is σ = 25007884248. Its totient is φ = 25007884246.

The previous prime is 25007884219. The next prime is 25007884249. The reversal of 25007884247 is 74248870052.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25007884247 - 220 = 25006835671 is a prime.

It is a super-2 number, since 2×250078842472 (a number of 22 digits) contains 22 as substring.

Together with 25007884249, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25007884249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12503942123 + 12503942124.

It is an arithmetic number, because the mean of its divisors is an integer number (12503942124).

Almost surely, 225007884247 is an apocalyptic number.

25007884247 is a deficient number, since it is larger than the sum of its proper divisors (1).

25007884247 is an equidigital number, since it uses as much as digits as its factorization.

25007884247 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1003520, while the sum is 47.

The spelling of 25007884247 in words is "twenty-five billion, seven million, eight hundred eighty-four thousand, two hundred forty-seven".