51354071 has 2 divisors, whose sum is σ = 51354072. Its totient is φ = 51354070.

The previous prime is 51354053. The next prime is 51354077. The reversal of 51354071 is 17045315.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51354071 - 2⁶ = 51354007 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 51354071.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51354077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25677035 + 25677036.

It is an arithmetic number, because the mean of its divisors is an integer number (25677036).

Almost surely, 2^51354071 is an apocalyptic number.

51354071 is a deficient number, since it is larger than the sum of its proper divisors (1).

51354071 is an equidigital number, since it uses as much as digits as its factorization.

51354071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2100, while the sum is 26.

The square root of 51354071 is about 7166.1754792916. The cubic root of 51354071 is about 371.6991994509.

Subtracting from 51354071 its sum of digits (26), we obtain a triangular number (51354045 = T₁₀₁₃₄).

Adding to 51354071 its reverse (17045315), we get a palindrome (68399386).

The spelling of 51354071 in words is "fifty-one million, three hundred fifty-four thousand, seventy-one".