51053203 has 2 divisors, whose sum is σ = 51053204. Its totient is φ = 51053202.

The previous prime is 51053201. The next prime is 51053213. The reversal of 51053203 is 30235015.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51053203 - 2¹ = 51053201 is a prime.

Together with 51053201, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (51053201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25526601 + 25526602.

It is an arithmetic number, because the mean of its divisors is an integer number (25526602).

Almost surely, 2^51053203 is an apocalyptic number.

51053203 is a deficient number, since it is larger than the sum of its proper divisors (1).

51053203 is an equidigital number, since it uses as much as digits as its factorization.

51053203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 450, while the sum is 19.

The square root of 51053203 is about 7145.1524126501. The cubic root of 51053203 is about 370.9718860909.

Adding to 51053203 its reverse (30235015), we get a palindrome (81288218).

The spelling of 51053203 in words is "fifty-one million, fifty-three thousand, two hundred three".