381053485 has 4 divisors (see below), whose sum is σ = 457264188. Its totient is φ = 304842784.

The previous prime is 381053437. The next prime is 381053537. The reversal of 381053485 is 584350183.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 584350183 = 10079 ⋅57977.

It can be written as a sum of positive squares in 2 ways, for example, as 241553764 + 139499721 = 15542^2 + 11811^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-381053485 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38105344 + ... + 38105353.

It is an arithmetic number, because the mean of its divisors is an integer number (114316047).

Almost surely, 2^381053485 is an apocalyptic number.

It is an amenable number.

381053485 is a deficient number, since it is larger than the sum of its proper divisors (76210703).

381053485 is an equidigital number, since it uses as much as digits as its factorization.

381053485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76210702.

The product of its (nonzero) digits is 57600, while the sum is 37.

The square root of 381053485 is about 19520.5913076423. The cubic root of 381053485 is about 724.9843738210.

The spelling of 381053485 in words is "three hundred eighty-one million, fifty-three thousand, four hundred eighty-five".