533378819 has 4 divisors (see below), whose sum is σ = 533514600. Its totient is φ = 533243040.

The previous prime is 533378789. The next prime is 533378831. The reversal of 533378819 is 918873335.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 918873335 = 5 ⋅183774667.

It is a cyclic number.

It is not a de Polignac number, because 533378819 - 2⁸ = 533378563 is a prime.

It is a super-2 number, since 2×533378819² = 568985929115669522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (533378899) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61817 + ... + 69914.

It is an arithmetic number, because the mean of its divisors is an integer number (133378650).

Almost surely, 2^533378819 is an apocalyptic number.

533378819 is a deficient number, since it is larger than the sum of its proper divisors (135781).

533378819 is a wasteful number, since it uses less digits than its factorization.

533378819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135780.

The product of its digits is 544320, while the sum is 47.

The square root of 533378819 is about 23094.9955401598. The cubic root of 533378819 is about 810.9833198388.

The spelling of 533378819 in words is "five hundred thirty-three million, three hundred seventy-eight thousand, eight hundred nineteen".