5617521 has 48 divisors (see below), whose sum is σ = 10541440. Its totient is φ = 2807136.

The previous prime is 5617511. The next prime is 5617537. The reversal of 5617521 is 1257165.

It is not a de Polignac number, because 5617521 - 2⁶ = 5617457 is a prime.

Its product of digits (2100) is a multiple of the sum of its prime divisors (42).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5617511) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 295650 + ... + 295668.

Almost surely, 2^5617521 is an apocalyptic number.

It is an amenable number.

5617521 is a deficient number, since it is larger than the sum of its proper divisors (4923919).

5617521 is a wasteful number, since it uses less digits than its factorization.

5617521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83 (or 42 counting only the distinct ones).

The product of its digits is 2100, while the sum is 27.

The square root of 5617521 is about 2370.1310090373. The cubic root of 5617521 is about 177.7658095097.

The spelling of 5617521 in words is "five million, six hundred seventeen thousand, five hundred twenty-one".