51235741 has 2 divisors, whose sum is σ = 51235742. Its totient is φ = 51235740.

The previous prime is 51235733. The next prime is 51235763. The reversal of 51235741 is 14753215.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37884025 + 13351716 = 6155^2 + 3654^2 .

It is a cyclic number.

It is not a de Polignac number, because 51235741 - 2³ = 51235733 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51235241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25617870 + 25617871.

It is an arithmetic number, because the mean of its divisors is an integer number (25617871).

Almost surely, 2^51235741 is an apocalyptic number.

It is an amenable number.

51235741 is a deficient number, since it is larger than the sum of its proper divisors (1).

51235741 is an equidigital number, since it uses as much as digits as its factorization.

51235741 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4200, while the sum is 28.

The square root of 51235741 is about 7157.9145705995. The cubic root of 51235741 is about 371.4134902513.

Adding to 51235741 its reverse (14753215), we get a palindrome (65988956).

The spelling of 51235741 in words is "fifty-one million, two hundred thirty-five thousand, seven hundred forty-one".