Search a number
-
+
881897 is a prime number
BaseRepresentation
bin11010111010011101001
31122210201212
43113103221
5211210042
630522505
710332062
oct3272351
91583655
10881897
11552645
12366435
1324b543
1418d569
15126482
hexd74e9

881897 has 2 divisors, whose sum is σ = 881898. Its totient is φ = 881896.

The previous prime is 881849. The next prime is 881899. The reversal of 881897 is 798188.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 755161 + 126736 = 869^2 + 356^2 .

It is a cyclic number.

It is not a de Polignac number, because 881897 - 26 = 881833 is a prime.

Together with 881899, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (881899) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 440948 + 440949.

It is an arithmetic number, because the mean of its divisors is an integer number (440949).

2881897 is an apocalyptic number.

It is an amenable number.

881897 is a deficient number, since it is larger than the sum of its proper divisors (1).

881897 is an equidigital number, since it uses as much as digits as its factorization.

881897 is an evil number, because the sum of its binary digits is even.

The product of its digits is 32256, while the sum is 41.

The square root of 881897 is about 939.0937120437. The cubic root of 881897 is about 95.8972062325.

The spelling of 881897 in words is "eight hundred eighty-one thousand, eight hundred ninety-seven".