51231353 has 8 divisors (see below), whose sum is σ = 57100320. Its totient is φ = 45679680.

The previous prime is 51231331. The next prime is 51231377. The reversal of 51231353 is 35313215.

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

It is not a de Polignac number, because 51231353 - 2⁶ = 51231289 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (51231553) 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, 78983 + ... + 79628.

It is an arithmetic number, because the mean of its divisors is an integer number (7137540).

Almost surely, 2^51231353 is an apocalyptic number.

It is an amenable number.

51231353 is a deficient number, since it is larger than the sum of its proper divisors (5868967).

51231353 is a wasteful number, since it uses less digits than its factorization.

51231353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158647.

The product of its digits is 1350, while the sum is 23.

The square root of 51231353 is about 7157.6080501799. The cubic root of 51231353 is about 371.4028869179.

Adding to 51231353 its reverse (35313215), we get a palindrome (86544568).

The spelling of 51231353 in words is "fifty-one million, two hundred thirty-one thousand, three hundred fifty-three".