1056451751 has 4 divisors (see below), whose sum is σ = 1061983104. Its totient is φ = 1050920400.

The previous prime is 1056451733. The next prime is 1056451769. The reversal of 1056451751 is 1571546501.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (1056451733) and next prime (1056451769).

It is a cyclic number.

It is not a de Polignac number, because 1056451751 - 2¹⁰ = 1056450727 is a prime.

It is a super-2 number, since 2×1056451751² = 2232180604381932002, 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 (1056451771) 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, 2765390 + ... + 2765771.

It is an arithmetic number, because the mean of its divisors is an integer number (265495776).

Almost surely, 2^1056451751 is an apocalyptic number.

1056451751 is a deficient number, since it is larger than the sum of its proper divisors (5531353).

1056451751 is an equidigital number, since it uses as much as digits as its factorization.

1056451751 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5531352.

The product of its (nonzero) digits is 21000, while the sum is 35.

The square root of 1056451751 is about 32503.1037133379. The cubic root of 1056451751 is about 1018.4738650344.

The spelling of 1056451751 in words is "one billion, fifty-six million, four hundred fifty-one thousand, seven hundred fifty-one".