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542197 is a prime number
BaseRepresentation
bin10000100010111110101
31000112202101
42010113311
5114322242
615342101
74415515
oct2042765
91015671
10542197
113403a7
12221931
1315ca36
14101845
15aa9b7
hex845f5

542197 has 2 divisors, whose sum is σ = 542198. Its totient is φ = 542196.

The previous prime is 542189. The next prime is 542207. The reversal of 542197 is 791245.

It is a happy number.

542197 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 320356 + 221841 = 566^2 + 471^2 .

It is a cyclic number.

It is not a de Polignac number, because 542197 - 23 = 542189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (542117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 271098 + 271099.

It is an arithmetic number, because the mean of its divisors is an integer number (271099).

2542197 is an apocalyptic number.

It is an amenable number.

542197 is a deficient number, since it is larger than the sum of its proper divisors (1).

542197 is an equidigital number, since it uses as much as digits as its factorization.

542197 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2520, while the sum is 28.

The square root of 542197 is about 736.3402746014. The cubic root of 542197 is about 81.5428156478.

The spelling of 542197 in words is "five hundred forty-two thousand, one hundred ninety-seven".