1051670651 has 4 divisors (see below), whose sum is σ = 1076128152. Its totient is φ = 1027213152.

The previous prime is 1051670591. The next prime is 1051670687. The reversal of 1051670651 is 1560761501.

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

It is a cyclic number.

It is not a de Polignac number, because 1051670651 - 2¹⁴ = 1051654267 is a prime.

It is a super-2 number, since 2×1051670651² = 2212022316349527602, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1051670051) 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, 12228686 + ... + 12228771.

It is an arithmetic number, because the mean of its divisors is an integer number (269032038).

Almost surely, 2^1051670651 is an apocalyptic number.

1051670651 is a deficient number, since it is larger than the sum of its proper divisors (24457501).

1051670651 is an equidigital number, since it uses as much as digits as its factorization.

1051670651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24457500.

The product of its (nonzero) digits is 6300, while the sum is 32.

The square root of 1051670651 is about 32429.4719506809. The cubic root of 1051670651 is about 1016.9351326249.

The spelling of 1051670651 in words is "one billion, fifty-one million, six hundred seventy thousand, six hundred fifty-one".