1085752453 has 4 divisors (see below), whose sum is σ = 1085822668. Its totient is φ = 1085682240.

The previous prime is 1085752429. The next prime is 1085752523. The reversal of 1085752453 is 3542575801.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 557809924 + 527942529 = 23618^2 + 22977^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1085752453 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1085752403) 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, 618 + ... + 46603.

It is an arithmetic number, because the mean of its divisors is an integer number (271455667).

Almost surely, 2^1085752453 is an apocalyptic number.

It is an amenable number.

1085752453 is a deficient number, since it is larger than the sum of its proper divisors (70215).

1085752453 is an equidigital number, since it uses as much as digits as its factorization.

1085752453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70214.

The product of its (nonzero) digits is 168000, while the sum is 40.

The square root of 1085752453 is about 32950.7580034208. The cubic root of 1085752453 is about 1027.8039279062.

The spelling of 1085752453 in words is "one billion, eighty-five million, seven hundred fifty-two thousand, four hundred fifty-three".