1052571665 has 8 divisors (see below), whose sum is σ = 1264072128. Its totient is φ = 841399920.

The previous prime is 1052571661. The next prime is 1052571691. The reversal of 1052571665 is 5661752501.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1052571665 - 2² = 1052571661 is a prime.

It is a super-2 number, since 2×1052571665² = 2215814219921744450, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1052571661) 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 7 ways as a sum of consecutive naturals, for example, 75077 + ... + 87986.

It is an arithmetic number, because the mean of its divisors is an integer number (158009016).

Almost surely, 2^1052571665 is an apocalyptic number.

It is an amenable number.

1052571665 is a deficient number, since it is larger than the sum of its proper divisors (211500463).

1052571665 is a wasteful number, since it uses less digits than its factorization.

1052571665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164359.

The product of its (nonzero) digits is 63000, while the sum is 38.

The square root of 1052571665 is about 32443.3608770731. The cubic root of 1052571665 is about 1017.2254678942.

The spelling of 1052571665 in words is "one billion, fifty-two million, five hundred seventy-one thousand, six hundred sixty-five".