47352515 has 32 divisors (see below), whose sum is σ = 68981760. Its totient is φ = 30501504.

The previous prime is 47352511. The next prime is 47352517. The reversal of 47352515 is 51525374.

It is a cyclic number.

It is not a de Polignac number, because 47352515 - 2² = 47352511 is a prime.

It is not an unprimeable number, because it can be changed into a prime (47352511) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 46997 + ... + 47993.

It is an arithmetic number, because the mean of its divisors is an integer number (2155680).

Almost surely, 2^47352515 is an apocalyptic number.

47352515 is a deficient number, since it is larger than the sum of its proper divisors (21629245).

47352515 is a wasteful number, since it uses less digits than its factorization.

47352515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1091.

The product of its digits is 21000, while the sum is 32.

The square root of 47352515 is about 6881.3163711604. The cubic root of 47352515 is about 361.7826065699.

Adding to 47352515 its reverse (51525374), we get a palindrome (98877889).

The spelling of 47352515 in words is "forty-seven million, three hundred fifty-two thousand, five hundred fifteen".