1598225 has 6 divisors (see below), whose sum is σ = 1981830. Its totient is φ = 1278560.

The previous prime is 1598213. The next prime is 1598227. The reversal of 1598225 is 5228951.

1598225 = T₃₄₅ + T₃₄₆ + ... + T₃₆₉.

It can be written as a sum of positive squares in 3 ways, for example, as 529 + 1597696 = 23^2 + 1264^2 .

It is not a de Polignac number, because 1598225 - 2⁴ = 1598209 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1598191 and 1598200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1598227) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 31940 + ... + 31989.

It is an arithmetic number, because the mean of its divisors is an integer number (330305).

2^1598225 is an apocalyptic number.

It is an amenable number.

1598225 is a deficient number, since it is larger than the sum of its proper divisors (383605).

1598225 is an equidigital number, since it uses as much as digits as its factorization.

1598225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63939 (or 63934 counting only the distinct ones).

The product of its digits is 7200, while the sum is 32.

The square root of 1598225 is about 1264.2092390107. The cubic root of 1598225 is about 116.9174424290.

The spelling of 1598225 in words is "one million, five hundred ninety-eight thousand, two hundred twenty-five".