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2555350657 is a prime number
BaseRepresentation
bin1001100001001111…
…1000111010000001
320121002100021002221
42120103320322001
520213132210112
61101322011041
7120216056626
oct23023707201
96532307087
102555350657
1110a1479852
125b3946a81
1331953c112
141a353c34d
15ee510e07
hex984f8e81

2555350657 has 2 divisors, whose sum is σ = 2555350658. Its totient is φ = 2555350656.

The previous prime is 2555350627. The next prime is 2555350663. The reversal of 2555350657 is 7560535552.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1875236416 + 680114241 = 43304^2 + 26079^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2555350657 is a prime.

It is not a weakly prime, because it can be changed into another prime (2555350607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1277675328 + 1277675329.

It is an arithmetic number, because the mean of its divisors is an integer number (1277675329).

Almost surely, 22555350657 is an apocalyptic number.

It is an amenable number.

2555350657 is a deficient number, since it is larger than the sum of its proper divisors (1).

2555350657 is an equidigital number, since it uses as much as digits as its factorization.

2555350657 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 787500, while the sum is 43.

The square root of 2555350657 is about 50550.4763281218. The cubic root of 2555350657 is about 1367.1521029125.

The spelling of 2555350657 in words is "two billion, five hundred fifty-five million, three hundred fifty thousand, six hundred fifty-seven".