51043001 has 2 divisors, whose sum is σ = 51043002. Its totient is φ = 51043000.

The previous prime is 51042977. The next prime is 51043007. The reversal of 51043001 is 10034015.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 46308025 + 4734976 = 6805^2 + 2176^2 .

It is a cyclic number.

It is not a de Polignac number, because 51043001 - 2¹⁴ = 51026617 is a prime.

It is not a weakly prime, because it can be changed into another prime (51043007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25521500 + 25521501.

It is an arithmetic number, because the mean of its divisors is an integer number (25521501).

Almost surely, 2^51043001 is an apocalyptic number.

It is an amenable number.

51043001 is a deficient number, since it is larger than the sum of its proper divisors (1).

51043001 is an equidigital number, since it uses as much as digits as its factorization.

51043001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 51043001 is about 7144.4384663877. The cubic root of 51043001 is about 370.9471739143.

Adding to 51043001 its reverse (10034015), we get a palindrome (61077016).

The spelling of 51043001 in words is "fifty-one million, forty-three thousand, one".