1052009557 has 2 divisors, whose sum is σ = 1052009558. Its totient is φ = 1052009556.

The previous prime is 1052009551. The next prime is 1052009579. The reversal of 1052009557 is 7559002501.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 753722116 + 298287441 = 27454^2 + 17271^2 .

It is an emirp because it is prime and its reverse (7559002501) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1052009557 - 2¹⁵ = 1051976789 is a prime.

It is a super-2 number, since 2×1052009557² = 2213448216038672498, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1052009551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 526004778 + 526004779.

It is an arithmetic number, because the mean of its divisors is an integer number (526004779).

Almost surely, 2^1052009557 is an apocalyptic number.

It is an amenable number.

1052009557 is a deficient number, since it is larger than the sum of its proper divisors (1).

1052009557 is an equidigital number, since it uses as much as digits as its factorization.

1052009557 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15750, while the sum is 34.

The square root of 1052009557 is about 32434.6968075855. The cubic root of 1052009557 is about 1017.0443583294.

The spelling of 1052009557 in words is "one billion, fifty-two million, nine thousand, five hundred fifty-seven".