1052759809 has 4 divisors (see below), whose sum is σ = 1108168240. Its totient is φ = 997351380.

The previous prime is 1052759801. The next prime is 1052759821. The reversal of 1052759809 is 9089572501.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1052759809 - 2³ = 1052759801 is a prime.

It is a super-2 number, since 2×1052759809² = 2216606430891432962, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1052759801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27704187 + ... + 27704224.

It is an arithmetic number, because the mean of its divisors is an integer number (277042060).

Almost surely, 2^1052759809 is an apocalyptic number.

1052759809 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

1052759809 is a deficient number, since it is larger than the sum of its proper divisors (55408431).

1052759809 is an equidigital number, since it uses as much as digits as its factorization.

1052759809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55408430.

The product of its (nonzero) digits is 226800, while the sum is 46.

The square root of 1052759809 is about 32446.2603238031. The cubic root of 1052759809 is about 1017.2860729415.

The spelling of 1052759809 in words is "one billion, fifty-two million, seven hundred fifty-nine thousand, eight hundred nine".