1081027533 has 4 divisors (see below), whose sum is σ = 1441370048. Its totient is φ = 720685020.

The previous prime is 1081027523. The next prime is 1081027537. The reversal of 1081027533 is 3357201801.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3357201801 = 3 ⋅1119067267.

It is not a de Polignac number, because 1081027533 - 2¹⁴ = 1081011149 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1081027533.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1081027537) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 180171253 + ... + 180171258.

It is an arithmetic number, because the mean of its divisors is an integer number (360342512).

Almost surely, 2^1081027533 is an apocalyptic number.

It is an amenable number.

1081027533 is a deficient number, since it is larger than the sum of its proper divisors (360342515).

1081027533 is an equidigital number, since it uses as much as digits as its factorization.

1081027533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360342514.

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 1081027533 is about 32878.9831503348. The cubic root of 1081027533 is about 1026.3108457423.

The spelling of 1081027533 in words is "one billion, eighty-one million, twenty-seven thousand, five hundred thirty-three".