51340941 has 24 divisors (see below), whose sum is σ = 77627160. Its totient is φ = 32662656.

The previous prime is 51340937. The next prime is 51340943. The reversal of 51340941 is 14904315.

It can be written as a sum of positive squares in 4 ways, for example, as 33524100 + 17816841 = 5790^2 + 4221^2 .

It is not a de Polignac number, because 51340941 - 2² = 51340937 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51340943) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16195 + ... + 19103.

It is an arithmetic number, because the mean of its divisors is an integer number (3234465).

Almost surely, 2^51340941 is an apocalyptic number.

It is an amenable number.

51340941 is a deficient number, since it is larger than the sum of its proper divisors (26286219).

51340941 is a wasteful number, since it uses less digits than its factorization.

51340941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3005 (or 3002 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 51340941 is about 7165.2593114276. The cubic root of 51340941 is about 371.6675185709.

The spelling of 51340941 in words is "fifty-one million, three hundred forty thousand, nine hundred forty-one".