51541313 has 6 divisors (see below), whose sum is σ = 53258562. Its totient is φ = 49877760.

The previous prime is 51541277. The next prime is 51541351. The reversal of 51541313 is 31314515.

It can be written as a sum of positive squares in only one way, i.e., 35796289 + 15745024 = 5983^2 + 3968^2 .

It is not a de Polignac number, because 51541313 - 2⁶ = 51541249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51541363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 25856 + ... + 27777.

It is an arithmetic number, because the mean of its divisors is an integer number (8876427).

Almost surely, 2^51541313 is an apocalyptic number.

It is an amenable number.

51541313 is a deficient number, since it is larger than the sum of its proper divisors (1717249).

51541313 is an equidigital number, since it uses as much as digits as its factorization.

51541313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53695 (or 53664 counting only the distinct ones).

The product of its digits is 900, while the sum is 23.

The square root of 51541313 is about 7179.2278832755. The cubic root of 51541313 is about 372.1504021462.

Adding to 51541313 its reverse (31314515), we get a palindrome (82855828).

The spelling of 51541313 in words is "fifty-one million, five hundred forty-one thousand, three hundred thirteen".