1052438385 has 8 divisors (see below), whose sum is σ = 1683901440. Its totient is φ = 561300464.

The previous prime is 1052438381. The next prime is 1052438461. The reversal of 1052438385 is 5838342501.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1052438385 - 2² = 1052438381 is a prime.

It is a super-2 number, since 2×1052438385² = 2215253108442816450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1052438381) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35081265 + ... + 35081294.

It is an arithmetic number, because the mean of its divisors is an integer number (210487680).

Almost surely, 2^1052438385 is an apocalyptic number.

1052438385 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1052438385 is a deficient number, since it is larger than the sum of its proper divisors (631463055).

1052438385 is an equidigital number, since it uses as much as digits as its factorization.

1052438385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70162567.

The product of its (nonzero) digits is 115200, while the sum is 39.

The square root of 1052438385 is about 32441.3067708439. The cubic root of 1052438385 is about 1017.1825312982.

The spelling of 1052438385 in words is "one billion, fifty-two million, four hundred thirty-eight thousand, three hundred eighty-five".