1049009825 has 12 divisors (see below), whose sum is σ = 1301187180. Its totient is φ = 838940160.

The previous prime is 1049009813. The next prime is 1049009861. The reversal of 1049009825 is 5289009401.

It can be written as a sum of positive squares in 6 ways, for example, as 126247696 + 922762129 = 11236^2 + 30377^2 .

It is not a de Polignac number, because 1049009825 - 2¹⁰ = 1049008801 is a prime.

It is a super-2 number, since 2×1049009825² = 2200843225893061250, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 121037 + ... + 129413.

It is an arithmetic number, because the mean of its divisors is an integer number (108432265).

Almost surely, 2^1049009825 is an apocalyptic number.

It is an amenable number.

1049009825 is a deficient number, since it is larger than the sum of its proper divisors (252177355).

1049009825 is an equidigital number, since it uses as much as digits as its factorization.

1049009825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13396 (or 13391 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 38.

The square root of 1049009825 is about 32388.4211563330. The cubic root of 1049009825 is about 1016.0767610102.

The spelling of 1049009825 in words is "one billion, forty-nine million, nine thousand, eight hundred twenty-five".