1056051651 has 4 divisors (see below), whose sum is σ = 1408068872. Its totient is φ = 704034432.

The previous prime is 1056051643. The next prime is 1056051677. The reversal of 1056051651 is 1561506501.

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

It is not a de Polignac number, because 1056051651 - 2³ = 1056051643 is a prime.

It is a super-2 number, since 2×1056051651² = 2230490179159651602, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1056051691) 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, 176008606 + ... + 176008611.

It is an arithmetic number, because the mean of its divisors is an integer number (352017218).

Almost surely, 2^1056051651 is an apocalyptic number.

1056051651 is a deficient number, since it is larger than the sum of its proper divisors (352017221).

1056051651 is an equidigital number, since it uses as much as digits as its factorization.

1056051651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 352017220.

The product of its (nonzero) digits is 4500, while the sum is 30.

The square root of 1056051651 is about 32496.9483336513. The cubic root of 1056051651 is about 1018.3452764688.

The spelling of 1056051651 in words is "one billion, fifty-six million, fifty-one thousand, six hundred fifty-one".