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58117531 is a prime number
BaseRepresentation
bin1101110110110…
…0110110011011
311001100200021011
43131230312123
5104334230111
65433354351
71303663603
oct335546633
9131320234
1058117531
112a89561a
12175689b7
13c06b194
147a0bc03
155180021
hex376cd9b

58117531 has 2 divisors, whose sum is σ = 58117532. Its totient is φ = 58117530.

The previous prime is 58117519. The next prime is 58117559. The reversal of 58117531 is 13571185.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 58117531 - 27 = 58117403 is a prime.

It is a super-2 number, since 2×581175312 = 6755294819071922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 58117493 and 58117502.

It is not a weakly prime, because it can be changed into another prime (58117571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 29058765 + 29058766.

It is an arithmetic number, because the mean of its divisors is an integer number (29058766).

Almost surely, 258117531 is an apocalyptic number.

58117531 is a deficient number, since it is larger than the sum of its proper divisors (1).

58117531 is an equidigital number, since it uses as much as digits as its factorization.

58117531 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4200, while the sum is 31.

The square root of 58117531 is about 7623.4854889348. The cubic root of 58117531 is about 387.3489520204.

The spelling of 58117531 in words is "fifty-eight million, one hundred seventeen thousand, five hundred thirty-one".