51032017 has 2 divisors, whose sum is σ = 51032018. Its totient is φ = 51032016.

The previous prime is 51031999. The next prime is 51032021. The reversal of 51032017 is 71023015.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 46771921 + 4260096 = 6839^2 + 2064^2 .

It is a cyclic number.

It is not a de Polignac number, because 51032017 - 2¹⁹ = 50507729 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 51031985 and 51032003.

It is not a weakly prime, because it can be changed into another prime (51032077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25516008 + 25516009.

It is an arithmetic number, because the mean of its divisors is an integer number (25516009).

Almost surely, 2^51032017 is an apocalyptic number.

It is an amenable number.

51032017 is a deficient number, since it is larger than the sum of its proper divisors (1).

51032017 is an equidigital number, since it uses as much as digits as its factorization.

51032017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 210, while the sum is 19.

The square root of 51032017 is about 7143.6697152094. The cubic root of 51032017 is about 370.9205638275.

The spelling of 51032017 in words is "fifty-one million, thirty-two thousand, seventeen".