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52165297 is a prime number
BaseRepresentation
bin1100011011111…
…1101010110001
310122011021100001
43012333222301
5101323242142
65102030001
71202253262
oct306775261
9118137301
1052165297
112749a618
1215578301
13aa65b52
146cdc969
1548a65b7
hex31bfab1

52165297 has 2 divisors, whose sum is σ = 52165298. Its totient is φ = 52165296.

The previous prime is 52165283. The next prime is 52165307. The reversal of 52165297 is 79256125.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 44635761 + 7529536 = 6681^2 + 2744^2 .

It is a cyclic number.

It is not a de Polignac number, because 52165297 - 215 = 52132529 is a prime.

It is a super-2 number, since 2×521652972 = 5442436422196418, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (52165237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26082648 + 26082649.

It is an arithmetic number, because the mean of its divisors is an integer number (26082649).

Almost surely, 252165297 is an apocalyptic number.

It is an amenable number.

52165297 is a deficient number, since it is larger than the sum of its proper divisors (1).

52165297 is an equidigital number, since it uses as much as digits as its factorization.

52165297 is an evil number, because the sum of its binary digits is even.

The product of its digits is 37800, while the sum is 37.

The square root of 52165297 is about 7222.5547419178. The cubic root of 52165297 is about 373.6461928014.

The spelling of 52165297 in words is "fifty-two million, one hundred sixty-five thousand, two hundred ninety-seven".