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5421925 = 52216877
BaseRepresentation
bin10100101011101101100101
3101012110111001
4110223231211
52342000200
6312113301
764041235
oct24535545
911173431
105421925
113073633
121995831
13117ab52
14a11cc5
1572176a
hex52bb65

5421925 has 6 divisors (see below), whose sum is σ = 6723218. Its totient is φ = 4337520.

The previous prime is 5421919. The next prime is 5421947. The reversal of 5421925 is 5291245.

5421925 = 16462 + 16472.

It can be written as a sum of positive squares in 3 ways, for example, as 1252161 + 4169764 = 1119^2 + 2042^2 .

It is not a de Polignac number, because 5421925 - 25 = 5421893 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5421893 and 5421902.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 108414 + ... + 108463.

Almost surely, 25421925 is an apocalyptic number.

5421925 is the 1647-th centered square number.

It is an amenable number.

5421925 is a deficient number, since it is larger than the sum of its proper divisors (1301293).

5421925 is a wasteful number, since it uses less digits than its factorization.

5421925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216887 (or 216882 counting only the distinct ones).

The product of its digits is 3600, while the sum is 28.

The square root of 5421925 is about 2328.5027378124. The cubic root of 5421925 is about 175.6781847341.

The spelling of 5421925 in words is "five million, four hundred twenty-one thousand, nine hundred twenty-five".

Divisors: 1 5 25 216877 1084385 5421925