51441273 has 24 divisors (see below), whose sum is σ = 82784520. Its totient is φ = 30562560.

The previous prime is 51441263. The next prime is 51441283. The reversal of 51441273 is 37214415.

It is an interprime number because it is at equal distance from previous prime (51441263) and next prime (51441283).

It can be written as a sum of positive squares in 4 ways, for example, as 2832489 + 48608784 = 1683^2 + 6972^2 .

It is not a de Polignac number, because 51441273 - 2⁵ = 51441241 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51441233) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4188 + ... + 10973.

It is an arithmetic number, because the mean of its divisors is an integer number (3449355).

Almost surely, 2^51441273 is an apocalyptic number.

It is an amenable number.

51441273 is a deficient number, since it is larger than the sum of its proper divisors (31343247).

51441273 is a wasteful number, since it uses less digits than its factorization.

51441273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15209 (or 15206 counting only the distinct ones).

The product of its digits is 3360, while the sum is 27.

The square root of 51441273 is about 7172.2571760918. The cubic root of 51441273 is about 371.9094689515.

Adding to 51441273 its reverse (37214415), we get a palindrome (88655688).

The spelling of 51441273 in words is "fifty-one million, four hundred forty-one thousand, two hundred seventy-three".