47925515 has 32 divisors (see below), whose sum is σ = 65644992. Its totient is φ = 33280000.

The previous prime is 47925511. The next prime is 47925539. The reversal of 47925515 is 51552974.

It is a happy number.

47925515 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 47925515 - 2² = 47925511 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47925511) 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 31 ways as a sum of consecutive naturals, for example, 119315 + ... + 119715.

It is an arithmetic number, because the mean of its divisors is an integer number (2051406).

Almost surely, 2^47925515 is an apocalyptic number.

47925515 is a deficient number, since it is larger than the sum of its proper divisors (17719477).

47925515 is a wasteful number, since it uses less digits than its factorization.

47925515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 511.

The product of its digits is 63000, while the sum is 38.

The square root of 47925515 is about 6922.8256514230. The cubic root of 47925515 is about 363.2360375976.

The spelling of 47925515 in words is "forty-seven million, nine hundred twenty-five thousand, five hundred fifteen".