5471521 has 4 divisors (see below), whose sum is σ = 5968944. Its totient is φ = 4974100.

The previous prime is 5471509. The next prime is 5471527. The reversal of 5471521 is 1251745.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5471521 - 2⁷ = 5471393 is a prime.

It is a Duffinian number.

5471521 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (5471527) 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, 248695 + ... + 248716.

It is an arithmetic number, because the mean of its divisors is an integer number (1492236).

Almost surely, 2^5471521 is an apocalyptic number.

It is an amenable number.

5471521 is a deficient number, since it is larger than the sum of its proper divisors (497423).

5471521 is a wasteful number, since it uses less digits than its factorization.

5471521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 497422.

The product of its digits is 1400, while the sum is 25.

The square root of 5471521 is about 2339.1282564237. The cubic root of 5471521 is about 176.2122203282.

The spelling of 5471521 in words is "five million, four hundred seventy-one thousand, five hundred twenty-one".