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2825897771 is a prime number
BaseRepresentation
bin1010100001101111…
…1100011100101011
321021221102110222102
42220123330130223
521241412212041
61144224444015
7130012510004
oct25033743453
97257373872
102825897771
111220166904
1266a47960b
133605c6c78
141cb4461ab
1511815309b
hexa86fc72b

2825897771 has 2 divisors, whose sum is σ = 2825897772. Its totient is φ = 2825897770.

The previous prime is 2825897749. The next prime is 2825897819. The reversal of 2825897771 is 1777985282.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2825897771 - 218 = 2825635627 is a prime.

It is not a weakly prime, because it can be changed into another prime (2825897741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1412948885 + 1412948886.

It is an arithmetic number, because the mean of its divisors is an integer number (1412948886).

Almost surely, 22825897771 is an apocalyptic number.

2825897771 is a deficient number, since it is larger than the sum of its proper divisors (1).

2825897771 is an equidigital number, since it uses as much as digits as its factorization.

2825897771 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3951360, while the sum is 56.

The square root of 2825897771 is about 53159.1739119411. The cubic root of 2825897771 is about 1413.7918776916.

The spelling of 2825897771 in words is "two billion, eight hundred twenty-five million, eight hundred ninety-seven thousand, seven hundred seventy-one".