1490825 has 18 divisors (see below), whose sum is σ = 2152206. Its totient is φ = 1021440.

The previous prime is 1490813. The next prime is 1490833. The reversal of 1490825 is 5280941.

It can be written as a sum of positive squares in 3 ways, for example, as 41209 + 1449616 = 203^2 + 1204^2 .

It is not a de Polignac number, because 1490825 - 2¹⁴ = 1474441 is a prime.

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 17 ways as a sum of consecutive naturals, for example, 617 + ... + 1833.

It is an arithmetic number, because the mean of its divisors is an integer number (119567).

2^1490825 is an apocalyptic number.

It is an amenable number.

1490825 is a deficient number, since it is larger than the sum of its proper divisors (661381).

1490825 is a wasteful number, since it uses less digits than its factorization.

1490825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1241 (or 1229 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 1490825 is about 1220.9934479759. The cubic root of 1490825 is about 114.2375522512.

The spelling of 1490825 in words is "one million, four hundred ninety thousand, eight hundred twenty-five".