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1052787317 is a prime number
BaseRepresentation
bin111110110000000…
…100001001110101
32201101000010200212
4332300010021311
54124003143232
6252244515205
735042354531
oct7660041165
92641003625
101052787317
114a02a876a
122546abb05
1313a16019a
149db6cbc1
156265beb2
hex3ec04275

1052787317 has 2 divisors, whose sum is σ = 1052787318. Its totient is φ = 1052787316.

The previous prime is 1052787293. The next prime is 1052787331. The reversal of 1052787317 is 7137872501.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 592727716 + 460059601 = 24346^2 + 21449^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1052787317 is a prime.

It is a super-3 number, since 3×10527873173 (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1052787367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 526393658 + 526393659.

It is an arithmetic number, because the mean of its divisors is an integer number (526393659).

Almost surely, 21052787317 is an apocalyptic number.

It is an amenable number.

1052787317 is a deficient number, since it is larger than the sum of its proper divisors (1).

1052787317 is an equidigital number, since it uses as much as digits as its factorization.

1052787317 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 82320, while the sum is 41.

The square root of 1052787317 is about 32446.6842219663. The cubic root of 1052787317 is about 1017.2949332283.

The spelling of 1052787317 in words is "one billion, fifty-two million, seven hundred eighty-seven thousand, three hundred seventeen".