51682801 has 2 divisors, whose sum is σ = 51682802. Its totient is φ = 51682800.

The previous prime is 51682789. The next prime is 51682823. The reversal of 51682801 is 10828615.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 43243776 + 8439025 = 6576^2 + 2905^2 .

It is a cyclic number.

It is not a de Polignac number, because 51682801 - 2⁵ = 51682769 is a prime.

It is a super-2 number, since 2×51682801² = 5342223838411202, which contains 22 as substring.

It is a Chen prime.

It is equal to p_3095914 and since 51682801 and 3095914 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (51682871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25841400 + 25841401.

It is an arithmetic number, because the mean of its divisors is an integer number (25841401).

Almost surely, 2^51682801 is an apocalyptic number.

It is an amenable number.

51682801 is a deficient number, since it is larger than the sum of its proper divisors (1).

51682801 is an equidigital number, since it uses as much as digits as its factorization.

51682801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3840, while the sum is 31.

The square root of 51682801 is about 7189.0751143662. The cubic root of 51682801 is about 372.4906257119.

The spelling of 51682801 in words is "fifty-one million, six hundred eighty-two thousand, eight hundred one".