51041289 has 16 divisors (see below), whose sum is σ = 73446912. Its totient is φ = 31342848.

The previous prime is 51041281. The next prime is 51041297. The reversal of 51041289 is 98214015.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (51041281) and next prime (51041297).

It is not a de Polignac number, because 51041289 - 2³ = 51041281 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51041281) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22024 + ... + 24230.

It is an arithmetic number, because the mean of its divisors is an integer number (4590432).

Almost surely, 2^51041289 is an apocalyptic number.

It is an amenable number.

51041289 is a deficient number, since it is larger than the sum of its proper divisors (22405623).

51041289 is a wasteful number, since it uses less digits than its factorization.

51041289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2816.

The product of its (nonzero) digits is 2880, while the sum is 30.

The square root of 51041289 is about 7144.3186519080. The cubic root of 51041289 is about 370.9430266355.

The spelling of 51041289 in words is "fifty-one million, forty-one thousand, two hundred eighty-nine".