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528952397 is a prime number
BaseRepresentation
bin11111100001110…
…010110001001101
31100212022120021112
4133201302301031
52040402434042
6124253141405
716052010161
oct3741626115
91325276245
10528952397
11251641846
1212918a865
13857812ac
1450370ca1
1531686982
hex1f872c4d

528952397 has 2 divisors, whose sum is σ = 528952398. Its totient is φ = 528952396.

The previous prime is 528952387. The next prime is 528952447. The reversal of 528952397 is 793259825.

It is an a-pointer prime, because the next prime (528952447) can be obtained adding 528952397 to its sum of digits (50).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 334377796 + 194574601 = 18286^2 + 13949^2 .

It is a cyclic number.

It is not a de Polignac number, because 528952397 - 228 = 260516941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (528952327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 264476198 + 264476199.

It is an arithmetic number, because the mean of its divisors is an integer number (264476199).

Almost surely, 2528952397 is an apocalyptic number.

It is an amenable number.

528952397 is a deficient number, since it is larger than the sum of its proper divisors (1).

528952397 is an equidigital number, since it uses as much as digits as its factorization.

528952397 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1360800, while the sum is 50.

The square root of 528952397 is about 22998.9651288922. The cubic root of 528952397 is about 808.7336800104.

The spelling of 528952397 in words is "five hundred twenty-eight million, nine hundred fifty-two thousand, three hundred ninety-seven".