Search a number
-
+
550251197 is a prime number
BaseRepresentation
bin100000110011000…
…010101010111101
31102100101122201222
4200303002222331
52111331014242
6130333443125
716431025616
oct4063025275
91370348658
10550251197
11262669961
121343404a5
1389cca932
1453116c0d
15334925d2
hex20cc2abd

550251197 has 2 divisors, whose sum is σ = 550251198. Its totient is φ = 550251196.

The previous prime is 550251167. The next prime is 550251227. The reversal of 550251197 is 791152055.

It is a balanced prime because it is at equal distance from previous prime (550251167) and next prime (550251227).

It can be written as a sum of positive squares in only one way, i.e., 438441721 + 111809476 = 20939^2 + 10574^2 .

It is a cyclic number.

It is not a de Polignac number, because 550251197 - 216 = 550185661 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (550251157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275125598 + 275125599.

It is an arithmetic number, because the mean of its divisors is an integer number (275125599).

Almost surely, 2550251197 is an apocalyptic number.

It is an amenable number.

550251197 is a deficient number, since it is larger than the sum of its proper divisors (1).

550251197 is an equidigital number, since it uses as much as digits as its factorization.

550251197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15750, while the sum is 35.

The square root of 550251197 is about 23457.4337257936. The cubic root of 550251197 is about 819.4459855827.

The spelling of 550251197 in words is "five hundred fifty million, two hundred fifty-one thousand, one hundred ninety-seven".