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61135001 is a prime number
BaseRepresentation
bin1110100100110…
…1100010011001
311021000222110022
43221031202121
5111122310001
610022200225
71341432104
oct351154231
9137028408
1061135001
11315666a4
1218583075
13c886775
14819573b
15557911b
hex3a4d899

61135001 has 2 divisors, whose sum is σ = 61135002. Its totient is φ = 61135000.

The previous prime is 61134979. The next prime is 61135003. The reversal of 61135001 is 10053116.

61135001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38142976 + 22992025 = 6176^2 + 4795^2 .

It is a cyclic number.

It is not a de Polignac number, because 61135001 - 26 = 61134937 is a prime.

Together with 61135003, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (61135003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30567500 + 30567501.

It is an arithmetic number, because the mean of its divisors is an integer number (30567501).

Almost surely, 261135001 is an apocalyptic number.

It is an amenable number.

61135001 is a deficient number, since it is larger than the sum of its proper divisors (1).

61135001 is an equidigital number, since it uses as much as digits as its factorization.

61135001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90, while the sum is 17.

The square root of 61135001 is about 7818.8874528286. The cubic root of 61135001 is about 393.9399038268.

Adding to 61135001 its reverse (10053116), we get a palindrome (71188117).

The spelling of 61135001 in words is "sixty-one million, one hundred thirty-five thousand, one".