51352315 has 8 divisors (see below), whose sum is σ = 70426080. Its totient is φ = 35212992.

The previous prime is 51352313. The next prime is 51352319. The reversal of 51352315 is 51325315.

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

It is a cyclic number.

It is not a de Polignac number, because 51352315 - 2¹ = 51352313 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 51352315.

It is not an unprimeable number, because it can be changed into a prime (51352313) 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, 733570 + ... + 733639.

It is an arithmetic number, because the mean of its divisors is an integer number (8803260).

Almost surely, 2^51352315 is an apocalyptic number.

51352315 is a deficient number, since it is larger than the sum of its proper divisors (19073765).

51352315 is a wasteful number, since it uses less digits than its factorization.

51352315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1467221.

The product of its digits is 2250, while the sum is 25.

The square root of 51352315 is about 7166.0529582191. The cubic root of 51352315 is about 371.6949627778.

Subtracting from 51352315 its reverse (51325315), we obtain a cube (27000 = 30³).

The spelling of 51352315 in words is "fifty-one million, three hundred fifty-two thousand, three hundred fifteen".