1590225 has 48 divisors (see below), whose sum is σ = 3249792. Its totient is φ = 668160.

The previous prime is 1590221. The next prime is 1590229. The reversal of 1590225 is 5220951.

It is an interprime number because it is at equal distance from previous prime (1590221) and next prime (1590229).

It is not a de Polignac number, because 1590225 - 2² = 1590221 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1590195 and 1590204.

It is not an unprimeable number, because it can be changed into a prime (1590221) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6709 + ... + 6941.

It is an arithmetic number, because the mean of its divisors is an integer number (67704).

2^1590225 is an apocalyptic number.

1590225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1590225 is an abundant number, since it is smaller than the sum of its proper divisors (1659567).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1590225 is a wasteful number, since it uses less digits than its factorization.

1590225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266 (or 261 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 24.

The square root of 1590225 is about 1261.0412364392. The cubic root of 1590225 is about 116.7220372088.

The spelling of 1590225 in words is "one million, five hundred ninety thousand, two hundred twenty-five".