51140303 has 2 divisors, whose sum is σ = 51140304. Its totient is φ = 51140302.

The previous prime is 51140279. The next prime is 51140317. The reversal of 51140303 is 30304115.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51140303 - 2¹² = 51136207 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51140333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25570151 + 25570152.

It is an arithmetic number, because the mean of its divisors is an integer number (25570152).

Almost surely, 2^51140303 is an apocalyptic number.

51140303 is a deficient number, since it is larger than the sum of its proper divisors (1).

51140303 is an equidigital number, since it uses as much as digits as its factorization.

51140303 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 51140303 is about 7151.2448566666. The cubic root of 51140303 is about 371.1827334132.

Adding to 51140303 its reverse (30304115), we get a palindrome (81444418).

The spelling of 51140303 in words is "fifty-one million, one hundred forty thousand, three hundred three".