51435941 has 2 divisors, whose sum is σ = 51435942. Its totient is φ = 51435940.

The previous prime is 51435911. The next prime is 51435949. The reversal of 51435941 is 14953415.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 49758916 + 1677025 = 7054^2 + 1295^2 .

It is a cyclic number.

It is not a de Polignac number, because 51435941 - 2⁶ = 51435877 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 51435898 and 51435907.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51435949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25717970 + 25717971.

It is an arithmetic number, because the mean of its divisors is an integer number (25717971).

Almost surely, 2^51435941 is an apocalyptic number.

It is an amenable number.

51435941 is a deficient number, since it is larger than the sum of its proper divisors (1).

51435941 is an equidigital number, since it uses as much as digits as its factorization.

51435941 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10800, while the sum is 32.

The square root of 51435941 is about 7171.8854564194. The cubic root of 51435941 is about 371.8966187653.

The spelling of 51435941 in words is "fifty-one million, four hundred thirty-five thousand, nine hundred forty-one".