51202015 has 8 divisors (see below), whose sum is σ = 61483968. Its totient is φ = 40933920.

The previous prime is 51202013. The next prime is 51202027. The reversal of 51202015 is 51020215.

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

It is not a de Polignac number, because 51202015 - 2¹ = 51202013 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 51202015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51202013) 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, 8314 + ... + 13096.

It is an arithmetic number, because the mean of its divisors is an integer number (7685496).

Almost surely, 2^51202015 is an apocalyptic number.

51202015 is a deficient number, since it is larger than the sum of its proper divisors (10281953).

51202015 is a wasteful number, since it uses less digits than its factorization.

51202015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6929.

The product of its (nonzero) digits is 100, while the sum is 16.

The square root of 51202015 is about 7155.5583290195. The cubic root of 51202015 is about 371.3319778759.

The spelling of 51202015 in words is "fifty-one million, two hundred two thousand, fifteen".