51596971 has 2 divisors, whose sum is σ = 51596972. Its totient is φ = 51596970.

The previous prime is 51596969. The next prime is 51597017. The reversal of 51596971 is 17969515.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51596971 - 2¹ = 51596969 is a prime.

Together with 51596969, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (51596371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25798485 + 25798486.

It is an arithmetic number, because the mean of its divisors is an integer number (25798486).

Almost surely, 2^51596971 is an apocalyptic number.

51596971 is a deficient number, since it is larger than the sum of its proper divisors (1).

51596971 is an equidigital number, since it uses as much as digits as its factorization.

51596971 is an evil number, because the sum of its binary digits is even.

The product of its digits is 85050, while the sum is 43.

The square root of 51596971 is about 7183.1031594987. The cubic root of 51596971 is about 372.2843121722.

The spelling of 51596971 in words is "fifty-one million, five hundred ninety-six thousand, nine hundred seventy-one".