1056613451 has 2 divisors, whose sum is σ = 1056613452. Its totient is φ = 1056613450.

The previous prime is 1056613447. The next prime is 1056613469. The reversal of 1056613451 is 1543166501.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1056613451 - 2² = 1056613447 is a prime.

It is a super-2 number, since 2×1056613451² = 2232863969668258802, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1056613421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 528306725 + 528306726.

It is an arithmetic number, because the mean of its divisors is an integer number (528306726).

Almost surely, 2^1056613451 is an apocalyptic number.

1056613451 is a deficient number, since it is larger than the sum of its proper divisors (1).

1056613451 is an equidigital number, since it uses as much as digits as its factorization.

1056613451 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10800, while the sum is 32.

The square root of 1056613451 is about 32505.5910729216. The cubic root of 1056613451 is about 1018.5258247578.

Adding to 1056613451 its reverse (1543166501), we get a palindrome (2599779952).

The spelling of 1056613451 in words is "one billion, fifty-six million, six hundred thirteen thousand, four hundred fifty-one".