56103251 has 2 divisors, whose sum is σ = 56103252. Its totient is φ = 56103250.

The previous prime is 56103241. The next prime is 56103253. The reversal of 56103251 is 15230165.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 56103251 - 2¹⁴ = 56086867 is a prime.

It is a Sophie Germain prime.

Together with 56103253, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (56103253) 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 as a sum of consecutive naturals, namely, 28051625 + 28051626.

It is an arithmetic number, because the mean of its divisors is an integer number (28051626).

Almost surely, 2^56103251 is an apocalyptic number.

56103251 is a deficient number, since it is larger than the sum of its proper divisors (1).

56103251 is an equidigital number, since it uses as much as digits as its factorization.

56103251 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 56103251 is about 7490.2103441759. The cubic root of 56103251 is about 382.8212255937.

The spelling of 56103251 in words is "fifty-six million, one hundred three thousand, two hundred fifty-one".