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2513857061 is a prime number
BaseRepresentation
bin1001010111010110…
…0110101000100101
320111012021011121002
42111311212220211
520122021411221
61053240403045
7116203301222
oct22565465045
96435234532
102513857061
111080009021
125a1a76485
13310a717b1
1419bc1a949
15eaa6680b
hex95d66a25

2513857061 has 2 divisors, whose sum is σ = 2513857062. Its totient is φ = 2513857060.

The previous prime is 2513857051. The next prime is 2513857063. The reversal of 2513857061 is 1607583152.

2513857061 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., 1381534561 + 1132322500 = 37169^2 + 33650^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2513857061 is a prime.

Together with 2513857063, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2513857063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1256928530 + 1256928531.

It is an arithmetic number, because the mean of its divisors is an integer number (1256928531).

Almost surely, 22513857061 is an apocalyptic number.

It is an amenable number.

2513857061 is a deficient number, since it is larger than the sum of its proper divisors (1).

2513857061 is an equidigital number, since it uses as much as digits as its factorization.

2513857061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 50400, while the sum is 38.

The square root of 2513857061 is about 50138.3791221854. The cubic root of 2513857061 is about 1359.7117795008.

The spelling of 2513857061 in words is "two billion, five hundred thirteen million, eight hundred fifty-seven thousand, sixty-one".