1085000051 has 2 divisors, whose sum is σ = 1085000052. Its totient is φ = 1085000050.

The previous prime is 1085000041. The next prime is 1085000057. The reversal of 1085000051 is 1500005801.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1085000051 - 2³⁰ = 11258227 is a prime.

It is a super-2 number, since 2×1085000051² = 2354450221340005202, which contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 1084999987 and 1085000032.

It is not a weakly prime, because it can be changed into another prime (1085000057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 542500025 + 542500026.

It is an arithmetic number, because the mean of its divisors is an integer number (542500026).

Almost surely, 2^1085000051 is an apocalyptic number.

1085000051 is a deficient number, since it is larger than the sum of its proper divisors (1).

1085000051 is an equidigital number, since it uses as much as digits as its factorization.

1085000051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 200, while the sum is 20.

The square root of 1085000051 is about 32939.3389581515. The cubic root of 1085000051 is about 1027.5664580517.

Adding to 1085000051 its reverse (1500005801), we get a palindrome (2585005852).

The spelling of 1085000051 in words is "one billion, eighty-five million, fifty-one", and thus it is an aban number and an uban number.