Search a number
-
+
126525263 is a prime number
BaseRepresentation
bin1111000101010…
…01111101001111
322211002011000212
413202221331033
5224342302023
620315513035
73064306214
oct742517517
9284064025
10126525263
1165469337
123645877b
13202a0027
1412b37b0b
15b193e78
hex78a9f4f

126525263 has 2 divisors, whose sum is σ = 126525264. Its totient is φ = 126525262.

The previous prime is 126525239. The next prime is 126525281. The reversal of 126525263 is 362525621.

It is a strong prime.

It is an emirp because it is prime and its reverse (362525621) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 126525263 - 210 = 126524239 is a prime.

It is a Sophie Germain 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 (126525233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63262631 + 63262632.

It is an arithmetic number, because the mean of its divisors is an integer number (63262632).

Almost surely, 2126525263 is an apocalyptic number.

126525263 is a deficient number, since it is larger than the sum of its proper divisors (1).

126525263 is an equidigital number, since it uses as much as digits as its factorization.

126525263 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21600, while the sum is 32.

The square root of 126525263 is about 11248.3449004731. The cubic root of 126525263 is about 502.0254678804.

The spelling of 126525263 in words is "one hundred twenty-six million, five hundred twenty-five thousand, two hundred sixty-three".