47415901 has 4 divisors (see below), whose sum is σ = 51063292. Its totient is φ = 43768512.

The previous prime is 47415883. The next prime is 47415913. The reversal of 47415901 is 10951474.

47415901 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10951474 = 2 ⋅5475737.

It can be written as a sum of positive squares in 2 ways, for example, as 5152900 + 42263001 = 2270^2 + 6501^2 .

It is a cyclic number.

It is not a de Polignac number, because 47415901 - 2⁵ = 47415869 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47415961) 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 3 ways as a sum of consecutive naturals, for example, 1823676 + ... + 1823701.

It is an arithmetic number, because the mean of its divisors is an integer number (12765823).

Almost surely, 2^47415901 is an apocalyptic number.

It is an amenable number.

47415901 is a deficient number, since it is larger than the sum of its proper divisors (3647391).

47415901 is a wasteful number, since it uses less digits than its factorization.

47415901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3647390.

The product of its (nonzero) digits is 5040, while the sum is 31.

The square root of 47415901 is about 6885.9204903920. The cubic root of 47415901 is about 361.9439617987.

The spelling of 47415901 in words is "forty-seven million, four hundred fifteen thousand, nine hundred one".