1049520249 has 6 divisors (see below), whose sum is σ = 1515973706. Its totient is φ = 699680160.

The previous prime is 1049520239. The next prime is 1049520259. The reversal of 1049520249 is 9420259401.

1049520249 is a `hidden beast` number, since 104 + 9 + 520 + 24 + 9 = 666.

It is an interprime number because it is at equal distance from previous prime (1049520239) and next prime (1049520259).

It can be written as a sum of positive squares in only one way, i.e., 626601024 + 422919225 = 25032^2 + 20565^2 .

It is not a de Polignac number, because 1049520249 - 2⁵ = 1049520217 is a prime.

It is a super-2 number, since 2×1049520249² = 2202985506122044002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1049520209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 58306672 + ... + 58306689.

Almost surely, 2^1049520249 is an apocalyptic number.

It is an amenable number.

1049520249 is a deficient number, since it is larger than the sum of its proper divisors (466453457).

1049520249 is a wasteful number, since it uses less digits than its factorization.

1049520249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116613367 (or 116613364 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 1049520249 is about 32396.2999276152. The cubic root of 1049520249 is about 1016.2415341315.

The spelling of 1049520249 in words is "one billion, forty-nine million, five hundred twenty thousand, two hundred forty-nine".