1052308669 has 4 divisors (see below), whose sum is σ = 1052398396. Its totient is φ = 1052218944.

The previous prime is 1052308661. The next prime is 1052308681. The reversal of 1052308669 is 9668032501.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 266179225 + 786129444 = 16315^2 + 28038^2 .

It is a cyclic number.

It is not a de Polignac number, because 1052308669 - 2³ = 1052308661 is a prime.

It is a super-2 number, since 2×1052308669² = 2214707069705103122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1052308661) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24054 + ... + 51799.

It is an arithmetic number, because the mean of its divisors is an integer number (263099599).

Almost surely, 2^1052308669 is an apocalyptic number.

It is an amenable number.

1052308669 is a deficient number, since it is larger than the sum of its proper divisors (89727).

1052308669 is an equidigital number, since it uses as much as digits as its factorization.

1052308669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89726.

The product of its (nonzero) digits is 77760, while the sum is 40.

The square root of 1052308669 is about 32439.3074679470. The cubic root of 1052308669 is about 1017.1407393757.

The spelling of 1052308669 in words is "one billion, fifty-two million, three hundred eight thousand, six hundred sixty-nine".