51495011 has 2 divisors, whose sum is σ = 51495012. Its totient is φ = 51495010.

The previous prime is 51494987. The next prime is 51495013. The reversal of 51495011 is 11059415.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51495011 - 2²² = 47300707 is a prime.

Together with 51495013, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (51495013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25747505 + 25747506.

It is an arithmetic number, because the mean of its divisors is an integer number (25747506).

Almost surely, 2^51495011 is an apocalyptic number.

51495011 is a deficient number, since it is larger than the sum of its proper divisors (1).

51495011 is an equidigital number, since it uses as much as digits as its factorization.

51495011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 900, while the sum is 26.

The square root of 51495011 is about 7176.0024386841. The cubic root of 51495011 is about 372.0389286543.

The spelling of 51495011 in words is "fifty-one million, four hundred ninety-five thousand, eleven".