47521603 has 4 divisors (see below), whose sum is σ = 50022760. Its totient is φ = 45020448.

The previous prime is 47521597. The next prime is 47521619. The reversal of 47521603 is 30612574.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 47521603 - 2⁵ = 47521571 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47521003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1250550 + ... + 1250587.

It is an arithmetic number, because the mean of its divisors is an integer number (12505690).

Almost surely, 2^47521603 is an apocalyptic number.

47521603 is a deficient number, since it is larger than the sum of its proper divisors (2501157).

47521603 is a wasteful number, since it uses less digits than its factorization.

47521603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2501156.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 47521603 is about 6893.5914442328. The cubic root of 47521603 is about 362.2127169767.

The spelling of 47521603 in words is "forty-seven million, five hundred twenty-one thousand, six hundred three".