51324571 has 2 divisors, whose sum is σ = 51324572. Its totient is φ = 51324570.

The previous prime is 51324521. The next prime is 51324589. The reversal of 51324571 is 17542315.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51324571 - 2²¹ = 49227419 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (51324521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25662285 + 25662286.

It is an arithmetic number, because the mean of its divisors is an integer number (25662286).

Almost surely, 2^51324571 is an apocalyptic number.

51324571 is a deficient number, since it is larger than the sum of its proper divisors (1).

51324571 is an equidigital number, since it uses as much as digits as its factorization.

51324571 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4200, while the sum is 28.

The square root of 51324571 is about 7164.1169030104. The cubic root of 51324571 is about 371.6280124515.

Adding to 51324571 its reverse (17542315), we get a palindrome (68866886).

The spelling of 51324571 in words is "fifty-one million, three hundred twenty-four thousand, five hundred seventy-one".