1052021453 has 4 divisors (see below), whose sum is σ = 1202310240. Its totient is φ = 901732668.

The previous prime is 1052021447. The next prime is 1052021461. The reversal of 1052021453 is 3541202501.

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 1052021453 - 2¹⁰ = 1052020429 is a prime.

It is a super-2 number, since 2×1052021453² = 2213498275144462418, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1052021423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75144383 + ... + 75144396.

It is an arithmetic number, because the mean of its divisors is an integer number (300577560).

Almost surely, 2^1052021453 is an apocalyptic number.

It is an amenable number.

1052021453 is a deficient number, since it is larger than the sum of its proper divisors (150288787).

1052021453 is an equidigital number, since it uses as much as digits as its factorization.

1052021453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150288786.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 1052021453 is about 32434.8801909303. The cubic root of 1052021453 is about 1017.0481918542.

Adding to 1052021453 its reverse (3541202501), we get a palindrome (4593223954).

The spelling of 1052021453 in words is "one billion, fifty-two million, twenty-one thousand, four hundred fifty-three".