Search a number
-
+
225427451 is a prime number
BaseRepresentation
bin11010110111110…
…11111111111011
3120201011220022212
431123323333323
5430202134301
634211405335
75405046614
oct1533737773
9521156285
10225427451
1110627aa87
12635b384b
133791ac32
1421d20c0b
1514bcd4bb
hexd6fbffb

225427451 has 2 divisors, whose sum is σ = 225427452. Its totient is φ = 225427450.

The previous prime is 225427427. The next prime is 225427511. The reversal of 225427451 is 154724522.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 225427451 - 26 = 225427387 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (225421451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112713725 + 112713726.

It is an arithmetic number, because the mean of its divisors is an integer number (112713726).

Almost surely, 2225427451 is an apocalyptic number.

225427451 is a deficient number, since it is larger than the sum of its proper divisors (1).

225427451 is an equidigital number, since it uses as much as digits as its factorization.

225427451 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 22400, while the sum is 32.

The square root of 225427451 is about 15014.2416058887. The cubic root of 225427451 is about 608.6051178806.

The spelling of 225427451 in words is "two hundred twenty-five million, four hundred twenty-seven thousand, four hundred fifty-one".