5426521 has 4 divisors (see below), whose sum is σ = 5431552. Its totient is φ = 5421492.

The previous prime is 5426513. The next prime is 5426527. The reversal of 5426521 is 1256245.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 5426521 - 2³ = 5426513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5426527) 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, 165 + ... + 3298.

It is an arithmetic number, because the mean of its divisors is an integer number (1357888).

Almost surely, 2^5426521 is an apocalyptic number.

It is an amenable number.

5426521 is a deficient number, since it is larger than the sum of its proper divisors (5031).

5426521 is a wasteful number, since it uses less digits than its factorization.

5426521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5030.

The product of its digits is 2400, while the sum is 25.

The square root of 5426521 is about 2329.4894290380. The cubic root of 5426521 is about 175.7278097230.

The spelling of 5426521 in words is "five million, four hundred twenty-six thousand, five hundred twenty-one".