Search a number
-
+
1225070663 is a prime number
BaseRepresentation
bin100100100000101…
…0001100001000111
310011101012001000112
41021001101201013
510002104230123
6321321303235
742233633405
oct11101214107
93141161015
101225070663
1157957a7a3
122a2334b1b
13166a618ab
14b89b8475
157283dd78
hex49051847

1225070663 has 2 divisors, whose sum is σ = 1225070664. Its totient is φ = 1225070662.

The previous prime is 1225070653. The next prime is 1225070681. The reversal of 1225070663 is 3660705221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1225070663 - 24 = 1225070647 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1225070603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 612535331 + 612535332.

It is an arithmetic number, because the mean of its divisors is an integer number (612535332).

Almost surely, 21225070663 is an apocalyptic number.

1225070663 is a deficient number, since it is larger than the sum of its proper divisors (1).

1225070663 is an equidigital number, since it uses as much as digits as its factorization.

1225070663 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 1225070663 is about 35001.0094568714. The cubic root of 1225070663 is about 1070.0080539179.

Adding to 1225070663 its reverse (3660705221), we get a palindrome (4885775884).

The spelling of 1225070663 in words is "one billion, two hundred twenty-five million, seventy thousand, six hundred sixty-three".