1005052453 has 4 divisors (see below), whose sum is σ = 1005203680. Its totient is φ = 1004901228.

The previous prime is 1005052439. The next prime is 1005052487. The reversal of 1005052453 is 3542505001.

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.

It is a cyclic number.

It is not a de Polignac number, because 1005052453 - 2⁵ = 1005052421 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 (1005052553) 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, 65163 + ... + 79096.

It is an arithmetic number, because the mean of its divisors is an integer number (251300920).

Almost surely, 2^1005052453 is an apocalyptic number.

It is an amenable number.

1005052453 is a deficient number, since it is larger than the sum of its proper divisors (151227).

1005052453 is an equidigital number, since it uses as much as digits as its factorization.

1005052453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151226.

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 1005052453 is about 31702.5622466071. The cubic root of 1005052453 is about 1001.6813225701.

Adding to 1005052453 its reverse (3542505001), we get a palindrome (4547557454).

The spelling of 1005052453 in words is "one billion, five million, fifty-two thousand, four hundred fifty-three".