51095201 has 2 divisors, whose sum is σ = 51095202. Its totient is φ = 51095200.

The previous prime is 51095173. The next prime is 51095207. The reversal of 51095201 is 10259015.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42915601 + 8179600 = 6551^2 + 2860^2 .

It is a cyclic number.

It is not a de Polignac number, because 51095201 - 2²² = 46900897 is a prime.

It is a super-2 number, since 2×51095201² = 5221439130460802, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (51095207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25547600 + 25547601.

It is an arithmetic number, because the mean of its divisors is an integer number (25547601).

Almost surely, 2^51095201 is an apocalyptic number.

It is an amenable number.

51095201 is a deficient number, since it is larger than the sum of its proper divisors (1).

51095201 is an equidigital number, since it uses as much as digits as its factorization.

51095201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 450, while the sum is 23.

The square root of 51095201 is about 7148.0907241025. The cubic root of 51095201 is about 371.0735826616.

The spelling of 51095201 in words is "fifty-one million, ninety-five thousand, two hundred one".