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5457181061 is a prime number
BaseRepresentation
bin1010001010100010…
…11111100110000101
3112002022122112002002
411011101133212011
542134014243221
62301302155045
7252143162603
oct50521374605
915068575062
105457181061
1123504889a2
121083722a85
1368c7a1027
1439aaac873
1521e16280b
hex14545f985

5457181061 has 2 divisors, whose sum is σ = 5457181062. Its totient is φ = 5457181060.

The previous prime is 5457181019. The next prime is 5457181073. The reversal of 5457181061 is 1601817545.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2884764100 + 2572416961 = 53710^2 + 50719^2 .

It is a cyclic number.

It is not a de Polignac number, because 5457181061 - 214 = 5457164677 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5457181361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2728590530 + 2728590531.

It is an arithmetic number, because the mean of its divisors is an integer number (2728590531).

Almost surely, 25457181061 is an apocalyptic number.

It is an amenable number.

5457181061 is a deficient number, since it is larger than the sum of its proper divisors (1).

5457181061 is an equidigital number, since it uses as much as digits as its factorization.

5457181061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 33600, while the sum is 38.

The square root of 5457181061 is about 73872.7355727402. The cubic root of 5457181061 is about 1760.5814475437.

The spelling of 5457181061 in words is "five billion, four hundred fifty-seven million, one hundred eighty-one thousand, sixty-one".