51141889 has 2 divisors, whose sum is σ = 51141890. Its totient is φ = 51141888.

The previous prime is 51141859. The next prime is 51141907. The reversal of 51141889 is 98814115.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 49914225 + 1227664 = 7065^2 + 1108^2 .

It is a cyclic number.

It is not a de Polignac number, because 51141889 - 2²³ = 42753281 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (51141809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25570944 + 25570945.

It is an arithmetic number, because the mean of its divisors is an integer number (25570945).

Almost surely, 2^51141889 is an apocalyptic number.

It is an amenable number.

51141889 is a deficient number, since it is larger than the sum of its proper divisors (1).

51141889 is an equidigital number, since it uses as much as digits as its factorization.

51141889 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11520, while the sum is 37.

The square root of 51141889 is about 7151.3557455912. The cubic root of 51141889 is about 371.1865705025.

The spelling of 51141889 in words is "fifty-one million, one hundred forty-one thousand, eight hundred eighty-nine".