6251161031 has 2 divisors, whose sum is σ = 6251161032. Its totient is φ = 6251161030.

The previous prime is 6251161027. The next prime is 6251161043. The reversal of 6251161031 is 1301611526.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6251161031 - 2² = 6251161027 is a prime.

It is a super-2 number, since 2×6251161031² = 78154028470985965922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6251161051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3125580515 + 3125580516.

It is an arithmetic number, because the mean of its divisors is an integer number (3125580516).

Almost surely, 2^6251161031 is an apocalyptic number.

6251161031 is a deficient number, since it is larger than the sum of its proper divisors (1).

6251161031 is an equidigital number, since it uses as much as digits as its factorization.

6251161031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 6251161031 is about 79064.2841680110. The cubic root of 6251161031 is about 1842.1298029188.

Adding to 6251161031 its reverse (1301611526), we get a palindrome (7552772557).

The spelling of 6251161031 in words is "six billion, two hundred fifty-one million, one hundred sixty-one thousand, thirty-one".