51641313 has 8 divisors (see below), whose sum is σ = 68968800. Its totient is φ = 34370688.

The previous prime is 51641311. The next prime is 51641333. The reversal of 51641313 is 31314615.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 51641313 - 2¹ = 51641311 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51641311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12048 + ... + 15761.

It is an arithmetic number, because the mean of its divisors is an integer number (8621100).

Almost surely, 2^51641313 is an apocalyptic number.

It is an amenable number.

51641313 is a deficient number, since it is larger than the sum of its proper divisors (17327487).

51641313 is a wasteful number, since it uses less digits than its factorization.

51641313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28431.

The product of its digits is 1080, while the sum is 24.

The square root of 51641313 is about 7186.1890456625. The cubic root of 51641313 is about 372.3909276318.

Adding to 51641313 its reverse (31314615), we get a palindrome (82955928).

The spelling of 51641313 in words is "fifty-one million, six hundred forty-one thousand, three hundred thirteen".