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1040542193 is a prime number
BaseRepresentation
bin111110000001010…
…110100111110001
32200111222000112202
4332001112213301
54112334322233
6251130232545
734533314465
oct7601264761
92614860482
101040542193
114943a4829
12250585755
13137763752
149c2a24a5
156153dbe8
hex3e0569f1

1040542193 has 2 divisors, whose sum is σ = 1040542194. Its totient is φ = 1040542192.

The previous prime is 1040542159. The next prime is 1040542213. The reversal of 1040542193 is 3912450401.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 672209329 + 368332864 = 25927^2 + 19192^2 .

It is an emirp because it is prime and its reverse (3912450401) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1040542193 - 220 = 1039493617 is a prime.

It is not a weakly prime, because it can be changed into another prime (1040542123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 520271096 + 520271097.

It is an arithmetic number, because the mean of its divisors is an integer number (520271097).

Almost surely, 21040542193 is an apocalyptic number.

It is an amenable number.

1040542193 is a deficient number, since it is larger than the sum of its proper divisors (1).

1040542193 is an equidigital number, since it uses as much as digits as its factorization.

1040542193 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 1040542193 is about 32257.4362434463. The cubic root of 1040542193 is about 1013.3354398786.

Adding to 1040542193 its reverse (3912450401), we get a palindrome (4952992594).

The spelling of 1040542193 in words is "one billion, forty million, five hundred forty-two thousand, one hundred ninety-three".