Search a number
-
+
1425929 is a prime number
BaseRepresentation
bin101011100001000001001
32200110000012
411130020021
5331112204
650321305
715056141
oct5341011
92613005
101425929
1189435a
12589235
133ac05b
14291921
151d276e
hex15c209

1425929 has 2 divisors, whose sum is σ = 1425930. Its totient is φ = 1425928.

The previous prime is 1425917. The next prime is 1425953. The reversal of 1425929 is 9295241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1106704 + 319225 = 1052^2 + 565^2 .

It is a cyclic number.

It is not a de Polignac number, because 1425929 - 24 = 1425913 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1425895 and 1425904.

It is not a weakly prime, because it can be changed into another prime (1425029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 712964 + 712965.

It is an arithmetic number, because the mean of its divisors is an integer number (712965).

21425929 is an apocalyptic number.

It is an amenable number.

1425929 is a deficient number, since it is larger than the sum of its proper divisors (1).

1425929 is an equidigital number, since it uses as much as digits as its factorization.

1425929 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6480, while the sum is 32.

The square root of 1425929 is about 1194.1226905138. The cubic root of 1425929 is about 112.5553044953. Note that the first 3 decimals are identical.

The spelling of 1425929 in words is "one million, four hundred twenty-five thousand, nine hundred twenty-nine".