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25703087 is a prime number
BaseRepresentation
bin110001000001…
…1001010101111
31210100212000012
41202003022233
523034444322
62314523435
7431321054
oct142031257
953325005
1025703087
1113566123
12873657b
13542c237
1435b102b
1523caae2
hex18832af

25703087 has 2 divisors, whose sum is σ = 25703088. Its totient is φ = 25703086.

The previous prime is 25703071. The next prime is 25703089. The reversal of 25703087 is 78030752.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25703087 - 24 = 25703071 is a prime.

Together with 25703089, 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 (25703089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12851543 + 12851544.

It is an arithmetic number, because the mean of its divisors is an integer number (12851544).

Almost surely, 225703087 is an apocalyptic number.

25703087 is a deficient number, since it is larger than the sum of its proper divisors (1).

25703087 is an equidigital number, since it uses as much as digits as its factorization.

25703087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11760, while the sum is 32.

The square root of 25703087 is about 5069.8212000030. The cubic root of 25703087 is about 295.1175898158.

The spelling of 25703087 in words is "twenty-five million, seven hundred three thousand, eighty-seven".