51241427 has 2 divisors, whose sum is σ = 51241428. Its totient is φ = 51241426.

The previous prime is 51241409. The next prime is 51241433. The reversal of 51241427 is 72414215.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51241427 - 2²⁴ = 34464211 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 51241396 and 51241405.

It is not a weakly prime, because it can be changed into another prime (51241457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25620713 + 25620714.

It is an arithmetic number, because the mean of its divisors is an integer number (25620714).

Almost surely, 2^51241427 is an apocalyptic number.

51241427 is a deficient number, since it is larger than the sum of its proper divisors (1).

51241427 is an equidigital number, since it uses as much as digits as its factorization.

51241427 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2240, while the sum is 26.

The square root of 51241427 is about 7158.3117423035. The cubic root of 51241427 is about 371.4272292217.

The spelling of 51241427 in words is "fifty-one million, two hundred forty-one thousand, four hundred twenty-seven".