856130051 has 32 divisors (see below), whose sum is σ = 1022085120. Its totient is φ = 702038016.

The previous prime is 856130029. The next prime is 856130053. The reversal of 856130051 is 150031658.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-856130051 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 856129996 and 856130023.

It is not an unprimeable number, because it can be changed into a prime (856130053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4435811 + ... + 4436003.

It is an arithmetic number, because the mean of its divisors is an integer number (31940160).

Almost surely, 2^856130051 is an apocalyptic number.

856130051 is a deficient number, since it is larger than the sum of its proper divisors (165955069).

856130051 is a wasteful number, since it uses less digits than its factorization.

856130051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 483.

The product of its (nonzero) digits is 3600, while the sum is 29.

The square root of 856130051 is about 29259.7001180805. The cubic root of 856130051 is about 949.5399623042.

The spelling of 856130051 in words is "eight hundred fifty-six million, one hundred thirty thousand, fifty-one".