1052550605 has 4 divisors (see below), whose sum is σ = 1263060732. Its totient is φ = 842040480.

The previous prime is 1052550557. The next prime is 1052550643. The reversal of 1052550605 is 5060552501.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 439195849 + 613354756 = 20957^2 + 24766^2 .

It is not a de Polignac number, because 1052550605 - 2⁸ = 1052550349 is a prime.

It is a super-2 number, since 2×1052550605² = 2215725552171732050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 105255056 + ... + 105255065.

It is an arithmetic number, because the mean of its divisors is an integer number (315765183).

Almost surely, 2^1052550605 is an apocalyptic number.

It is an amenable number.

1052550605 is a deficient number, since it is larger than the sum of its proper divisors (210510127).

1052550605 is an equidigital number, since it uses as much as digits as its factorization.

1052550605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210510126.

The product of its (nonzero) digits is 7500, while the sum is 29.

The square root of 1052550605 is about 32443.0363098154. The cubic root of 1052550605 is about 1017.2186835862.

The spelling of 1052550605 in words is "one billion, fifty-two million, five hundred fifty thousand, six hundred five".