51146315 has 16 divisors (see below), whose sum is σ = 67223520. Its totient is φ = 37048320.

The previous prime is 51146297. The next prime is 51146317. The reversal of 51146315 is 51364115.

51146315 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 51146315 - 2⁸ = 51146059 is a prime.

It is a super-3 number, since 3×51146315³ (a number of 24 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (51146317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13067 + ... + 16523.

It is an arithmetic number, because the mean of its divisors is an integer number (4201470).

Almost surely, 2^51146315 is an apocalyptic number.

51146315 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

51146315 is a deficient number, since it is larger than the sum of its proper divisors (16077205).

51146315 is a wasteful number, since it uses less digits than its factorization.

51146315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3742.

The product of its digits is 1800, while the sum is 26.

The square root of 51146315 is about 7151.6651907091. The cubic root of 51146315 is about 371.1972781266.

The spelling of 51146315 in words is "fifty-one million, one hundred forty-six thousand, three hundred fifteen".