1078642533 has 4 divisors (see below), whose sum is σ = 1438190048. Its totient is φ = 719095020.

The previous prime is 1078642507. The next prime is 1078642541. The reversal of 1078642533 is 3352468701.

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.

It is not a de Polignac number, because 1078642533 - 2⁸ = 1078642277 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1078642491 and 1078642500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1078642553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 179773753 + ... + 179773758.

It is an arithmetic number, because the mean of its divisors is an integer number (359547512).

Almost surely, 2^1078642533 is an apocalyptic number.

It is an amenable number.

1078642533 is a deficient number, since it is larger than the sum of its proper divisors (359547515).

1078642533 is an equidigital number, since it uses as much as digits as its factorization.

1078642533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 359547514.

The product of its (nonzero) digits is 120960, while the sum is 39.

The square root of 1078642533 is about 32842.6937537103. The cubic root of 1078642533 is about 1025.5555292784. Note that the first 4 decimals are identical.

The spelling of 1078642533 in words is "one billion, seventy-eight million, six hundred forty-two thousand, five hundred thirty-three".