51357941 has 2 divisors, whose sum is σ = 51357942. Its totient is φ = 51357940.

The previous prime is 51357937. The next prime is 51357947. The reversal of 51357941 is 14975315.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 51051025 + 306916 = 7145^2 + 554^2 .

It is a cyclic number.

It is not a de Polignac number, because 51357941 - 2² = 51357937 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51357947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25678970 + 25678971.

It is an arithmetic number, because the mean of its divisors is an integer number (25678971).

Almost surely, 2^51357941 is an apocalyptic number.

It is an amenable number.

51357941 is a deficient number, since it is larger than the sum of its proper divisors (1).

51357941 is an equidigital number, since it uses as much as digits as its factorization.

51357941 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18900, while the sum is 35.

The square root of 51357941 is about 7166.4454927112. The cubic root of 51357941 is about 371.7085361971.

The spelling of 51357941 in words is "fifty-one million, three hundred fifty-seven thousand, nine hundred forty-one".