51250541 has 2 divisors, whose sum is σ = 51250542. Its totient is φ = 51250540.

The previous prime is 51250519. The next prime is 51250567. The reversal of 51250541 is 14505215.

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., 39375625 + 11874916 = 6275^2 + 3446^2 .

It is a cyclic number.

It is not a de Polignac number, because 51250541 - 2⁶ = 51250477 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51250501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25625270 + 25625271.

It is an arithmetic number, because the mean of its divisors is an integer number (25625271).

Almost surely, 2^51250541 is an apocalyptic number.

It is an amenable number.

51250541 is a deficient number, since it is larger than the sum of its proper divisors (1).

51250541 is an equidigital number, since it uses as much as digits as its factorization.

51250541 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1000, while the sum is 23.

The square root of 51250541 is about 7158.9483166175. The cubic root of 51250541 is about 371.4492490813.

Adding to 51250541 its reverse (14505215), we get a palindrome (65755756).

The spelling of 51250541 in words is "fifty-one million, two hundred fifty thousand, five hundred forty-one".