51732427 has 2 divisors, whose sum is σ = 51732428. Its totient is φ = 51732426.

The previous prime is 51732419. The next prime is 51732431. The reversal of 51732427 is 72423715.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51732427 - 2³ = 51732419 is a prime.

It is not a weakly prime, because it can be changed into another prime (51732127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25866213 + 25866214.

It is an arithmetic number, because the mean of its divisors is an integer number (25866214).

Almost surely, 2^51732427 is an apocalyptic number.

51732427 is a deficient number, since it is larger than the sum of its proper divisors (1).

51732427 is an equidigital number, since it uses as much as digits as its factorization.

51732427 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11760, while the sum is 31.

The square root of 51732427 is about 7192.5257733289. The cubic root of 51732427 is about 372.6098098251.

The spelling of 51732427 in words is "fifty-one million, seven hundred thirty-two thousand, four hundred twenty-seven".