51073015 has 16 divisors (see below), whose sum is σ = 74164032. Its totient is φ = 32961024.

The previous prime is 51073013. The next prime is 51073051. The reversal of 51073015 is 51037015.

It is a cyclic number.

It is not a de Polignac number, because 51073015 - 2¹ = 51073013 is a prime.

It is a super-2 number, since 2×51073015² = 5216905722380450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51073013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42324 + ... + 43513.

It is an arithmetic number, because the mean of its divisors is an integer number (4635252).

Almost surely, 2^51073015 is an apocalyptic number.

51073015 is a deficient number, since it is larger than the sum of its proper divisors (23091017).

51073015 is a wasteful number, since it uses less digits than its factorization.

51073015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85866.

The product of its (nonzero) digits is 525, while the sum is 22.

The square root of 51073015 is about 7146.5386726722. The cubic root of 51073015 is about 371.0198670471.

The spelling of 51073015 in words is "fifty-one million, seventy-three thousand, fifteen".