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52351331 is a prime number
BaseRepresentation
bin1100011110110…
…1000101100011
310122111201112012
43013231011203
5101400220311
65110023135
71203656534
oct307550543
9118451465
1052351331
112760736a
1215647aab
13aacc726
146d4a68b
1548e178b
hex31ed163

52351331 has 2 divisors, whose sum is σ = 52351332. Its totient is φ = 52351330.

The previous prime is 52351319. The next prime is 52351363. The reversal of 52351331 is 13315325.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 52351331 - 218 = 52089187 is a prime.

It is a super-2 number, since 2×523513312 = 5481323714943122, which contains 22 as substring.

It is equal to p3133562 and since 52351331 and 3133562 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 52351297 and 52351306.

It is not a weakly prime, because it can be changed into another prime (52351391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26175665 + 26175666.

It is an arithmetic number, because the mean of its divisors is an integer number (26175666).

Almost surely, 252351331 is an apocalyptic number.

52351331 is a deficient number, since it is larger than the sum of its proper divisors (1).

52351331 is an equidigital number, since it uses as much as digits as its factorization.

52351331 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1350, while the sum is 23.

The square root of 52351331 is about 7235.4219641981. The cubic root of 52351331 is about 374.0898365792.

Adding to 52351331 its reverse (13315325), we get a palindrome (65666656).

The spelling of 52351331 in words is "fifty-two million, three hundred fifty-one thousand, three hundred thirty-one".