1001055533 has 2 divisors, whose sum is σ = 1001055534. Its totient is φ = 1001055532.

The previous prime is 1001055511. The next prime is 1001055551. The reversal of 1001055533 is 3355501001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 696273769 + 304781764 = 26387^2 + 17458^2 .

It is a cyclic number.

It is not a de Polignac number, because 1001055533 - 2⁸ = 1001055277 is a prime.

It is a super-2 number, since 2×1001055533² = 2004224360299828178, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1001055499 and 1001055508.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1001055593) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500527766 + 500527767.

It is an arithmetic number, because the mean of its divisors is an integer number (500527767).

Almost surely, 2^1001055533 is an apocalyptic number.

It is an amenable number.

1001055533 is a deficient number, since it is larger than the sum of its proper divisors (1).

1001055533 is an equidigital number, since it uses as much as digits as its factorization.

1001055533 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1125, while the sum is 23.

The square root of 1001055533 is about 31639.4616420697. The cubic root of 1001055533 is about 1000.3517206114.

Adding to 1001055533 its reverse (3355501001), we get a palindrome (4356556534).

The spelling of 1001055533 in words is "one billion, one million, fifty-five thousand, five hundred thirty-three".