1056211453 has 4 divisors (see below), whose sum is σ = 1152230688. Its totient is φ = 960192220.

The previous prime is 1056211423. The next prime is 1056211489. The reversal of 1056211453 is 3541126501.

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 a de Polignac number, because none of the positive numbers 2^k-1056211453 is a prime.

It is a super-2 number, since 2×1056211453² = 2231165266896742418, 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 (1056211423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48009601 + ... + 48009622.

It is an arithmetic number, because the mean of its divisors is an integer number (288057672).

Almost surely, 2^1056211453 is an apocalyptic number.

It is an amenable number.

1056211453 is a deficient number, since it is larger than the sum of its proper divisors (96019235).

1056211453 is an equidigital number, since it uses as much as digits as its factorization.

1056211453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96019234.

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 1056211453 is about 32499.4069638201. The cubic root of 1056211453 is about 1018.3966392988.

Adding to 1056211453 its reverse (3541126501), we get a palindrome (4597337954).

The spelling of 1056211453 in words is "one billion, fifty-six million, two hundred eleven thousand, four hundred fifty-three".