Search a number
-
+
4975819 is a prime number
BaseRepresentation
bin10010111110110011001011
3100100210112121
4102332303023
52233211234
6254352111
760202522
oct22766313
910323477
104975819
112899452
1217bb637
131052a94
149374b9
156844b4
hex4beccb

4975819 has 2 divisors, whose sum is σ = 4975820. Its totient is φ = 4975818.

The previous prime is 4975813. The next prime is 4975823. The reversal of 4975819 is 9185794.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4975819 - 25 = 4975787 is a prime.

It is a super-2 number, since 2×49758192 = 49517549441522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4975813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2487909 + 2487910.

It is an arithmetic number, because the mean of its divisors is an integer number (2487910).

Almost surely, 24975819 is an apocalyptic number.

4975819 is a deficient number, since it is larger than the sum of its proper divisors (1).

4975819 is an equidigital number, since it uses as much as digits as its factorization.

4975819 is an evil number, because the sum of its binary digits is even.

The product of its digits is 90720, while the sum is 43.

The square root of 4975819 is about 2230.6543882906. The cubic root of 4975819 is about 170.7214895659.

The spelling of 4975819 in words is "four million, nine hundred seventy-five thousand, eight hundred nineteen".