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874813 is a prime number
BaseRepresentation
bin11010101100100111101
31122110000111
43111210331
5210443223
630430021
710302322
oct3254475
91573014
10874813
11548295
12362311
13248254
1418ab49
1512430d
hexd593d

874813 has 2 divisors, whose sum is σ = 874814. Its totient is φ = 874812.

The previous prime is 874807. The next prime is 874823. The reversal of 874813 is 318478.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 743044 + 131769 = 862^2 + 363^2 .

It is a cyclic number.

It is not a de Polignac number, because 874813 - 29 = 874301 is a prime.

It is a zygodrome in base 3.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (874823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 437406 + 437407.

It is an arithmetic number, because the mean of its divisors is an integer number (437407).

2874813 is an apocalyptic number.

It is an amenable number.

874813 is a deficient number, since it is larger than the sum of its proper divisors (1).

874813 is an equidigital number, since it uses as much as digits as its factorization.

874813 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5376, while the sum is 31.

The square root of 874813 is about 935.3143856479. The cubic root of 874813 is about 95.6397449745.

It can be divided in two parts, 87 and 4813, that added together give a square (4900 = 702).

The spelling of 874813 in words is "eight hundred seventy-four thousand, eight hundred thirteen".