1052642566 has 4 divisors (see below), whose sum is σ = 1578963852. Its totient is φ = 526321282.

The previous prime is 1052642557. The next prime is 1052642611. The reversal of 1052642566 is 6652462501.

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

It is a super-2 number, since 2×1052642566² = 2216112743510128712, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 263160640 + ... + 263160643.

It is an arithmetic number, because the mean of its divisors is an integer number (394740963).

Almost surely, 2^1052642566 is an apocalyptic number.

1052642566 is a deficient number, since it is larger than the sum of its proper divisors (526321286).

1052642566 is an equidigital number, since it uses as much as digits as its factorization.

1052642566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 526321285.

The product of its (nonzero) digits is 86400, while the sum is 37.

The square root of 1052642566 is about 32444.4535475634. The cubic root of 1052642566 is about 1017.2483074107.

The spelling of 1052642566 in words is "one billion, fifty-two million, six hundred forty-two thousand, five hundred sixty-six".