1048378533 has 4 divisors (see below), whose sum is σ = 1397838048. Its totient is φ = 698919020.

The previous prime is 1048378511. The next prime is 1048378543. The reversal of 1048378533 is 3358738401.

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: 3358738401 = 3 ⋅1119579467.

It is a cyclic number.

It is not a de Polignac number, because 1048378533 - 2¹⁶ = 1048312997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1048378543) 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, 174729753 + ... + 174729758.

It is an arithmetic number, because the mean of its divisors is an integer number (349459512).

Almost surely, 2^1048378533 is an apocalyptic number.

It is an amenable number.

1048378533 is a deficient number, since it is larger than the sum of its proper divisors (349459515).

1048378533 is an equidigital number, since it uses as much as digits as its factorization.

1048378533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349459514.

The product of its (nonzero) digits is 241920, while the sum is 42.

The square root of 1048378533 is about 32378.6740463534. The cubic root of 1048378533 is about 1015.8728957933.

The spelling of 1048378533 in words is "one billion, forty-eight million, three hundred seventy-eight thousand, five hundred thirty-three".