1049425 has 12 divisors (see below), whose sum is σ = 1401820. Its totient is φ = 774720.

The previous prime is 1049413. The next prime is 1049429. The reversal of 1049425 is 5249401.

It can be written as a sum of positive squares in 6 ways, for example, as 190096 + 859329 = 436^2 + 927^2 .

It is not a de Polignac number, because 1049425 - 2⁷ = 1049297 is a prime.

It is a super-2 number, since 2×1049425² = 2202585661250, which contains 22 as substring.

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (25).

1049425 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 1049425.

It is not an unprimeable number, because it can be changed into a prime (1049429) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1290 + ... + 1939.

2^1049425 is an apocalyptic number.

It is an amenable number.

1049425 is a deficient number, since it is larger than the sum of its proper divisors (352395).

1049425 is a wasteful number, since it uses less digits than its factorization.

1049425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3252 (or 3247 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 1049425 is about 1024.4144669029. The cubic root of 1049425 is about 101.6210790269.

The spelling of 1049425 in words is "one million, forty-nine thousand, four hundred twenty-five".