1049825 has 18 divisors (see below), whose sum is σ = 1516086. Its totient is φ = 719040.

The previous prime is 1049821. The next prime is 1049827. The reversal of 1049825 is 5289401.

It can be written as a sum of positive squares in 3 ways, for example, as 247009 + 802816 = 497^2 + 896^2 .

It is not a de Polignac number, because 1049825 - 2² = 1049821 is a prime.

It is a super-2 number, since 2×1049825² = 2204265061250, which contains 22 as substring.

It is a d-powerful number, because it can be written as 1 + 0 + 4¹⁰ + 9³ + 8³ + 2 + 5 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1049821) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 797 + ... + 1653.

It is an arithmetic number, because the mean of its divisors is an integer number (84227).

2^1049825 is an apocalyptic number.

It is an amenable number.

1049825 is a deficient number, since it is larger than the sum of its proper divisors (466261).

1049825 is an equidigital number, since it uses as much as digits as its factorization.

1049825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 881 (or 869 counting only the distinct ones).

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

The square root of 1049825 is about 1024.6096817813. The cubic root of 1049825 is about 101.6339887213.

It can be divided in two parts, 10498 and 25, that multiplied together give a triangular number (262450 = T₇₂₄).

The spelling of 1049825 in words is "one million, forty-nine thousand, eight hundred twenty-five".