Search a number
-
+
5205719 is a prime number
BaseRepresentation
bin10011110110111011010111
3100210110220102
4103312323113
52313040334
6303324315
762151011
oct23667327
910713812
105205719
112a36152
1218b069b
13110360c
149971b1
156cc67e
hex4f6ed7

5205719 has 2 divisors, whose sum is σ = 5205720. Its totient is φ = 5205718.

The previous prime is 5205701. The next prime is 5205721. The reversal of 5205719 is 9175025.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5205719 - 28 = 5205463 is a prime.

It is a super-2 number, since 2×52057192 = 54199020613922, which contains 22 as substring.

Together with 5205721, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 5205691 and 5205700.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5205749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2602859 + 2602860.

It is an arithmetic number, because the mean of its divisors is an integer number (2602860).

Almost surely, 25205719 is an apocalyptic number.

5205719 is a deficient number, since it is larger than the sum of its proper divisors (1).

5205719 is an equidigital number, since it uses as much as digits as its factorization.

5205719 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3150, while the sum is 29.

The square root of 5205719 is about 2281.6044793084. The cubic root of 5205719 is about 173.3113108938.

The spelling of 5205719 in words is "five million, two hundred five thousand, seven hundred nineteen".