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5897006881 is a prime number
BaseRepresentation
bin1010111110111110…
…10010111100100001
3120012222020222200021
411133133102330201
544034113210011
62413053153441
7266063505613
oct53737227441
916188228607
105897006881
112556785607
121186a8b881
1372c947aac
143dd27cdb3
15247a91471
hex15f7d2f21

5897006881 has 2 divisors, whose sum is σ = 5897006882. Its totient is φ = 5897006880.

The previous prime is 5897006879. The next prime is 5897006909. The reversal of 5897006881 is 1886007985.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5885344656 + 11662225 = 76716^2 + 3415^2 .

It is a cyclic number.

It is not a de Polignac number, because 5897006881 - 21 = 5897006879 is a prime.

It is a super-2 number, since 2×58970068812 = 69549380309122696322, which contains 22 as substring.

Together with 5897006879, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (5897006861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2948503440 + 2948503441.

It is an arithmetic number, because the mean of its divisors is an integer number (2948503441).

Almost surely, 25897006881 is an apocalyptic number.

It is an amenable number.

5897006881 is a deficient number, since it is larger than the sum of its proper divisors (1).

5897006881 is an equidigital number, since it uses as much as digits as its factorization.

5897006881 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 967680, while the sum is 52.

The square root of 5897006881 is about 76791.9714618657. The cubic root of 5897006881 is about 1806.6632541969.

The spelling of 5897006881 in words is "five billion, eight hundred ninety-seven million, six thousand, eight hundred eighty-one".