51061051 has 2 divisors, whose sum is σ = 51061052. Its totient is φ = 51061050.

The previous prime is 51061027. The next prime is 51061057. The reversal of 51061051 is 15016015.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51061051 - 2¹¹ = 51059003 is a prime.

It is not a weakly prime, because it can be changed into another prime (51061057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25530525 + 25530526.

It is an arithmetic number, because the mean of its divisors is an integer number (25530526).

Almost surely, 2^51061051 is an apocalyptic number.

51061051 is a deficient number, since it is larger than the sum of its proper divisors (1).

51061051 is an equidigital number, since it uses as much as digits as its factorization.

51061051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 150, while the sum is 19.

The square root of 51061051 is about 7145.7015750729. The cubic root of 51061051 is about 370.9908939626.

Adding to 51061051 its reverse (15016015), we get a palindrome (66077066).

The spelling of 51061051 in words is "fifty-one million, sixty-one thousand, fifty-one".