5782521 has 4 divisors (see below), whose sum is σ = 7710032. Its totient is φ = 3855012.

The previous prime is 5782519. The next prime is 5782529. The reversal of 5782521 is 1252875.

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 not a de Polignac number, because 5782521 - 2¹ = 5782519 is a prime.

It is a D-number.

It is a Duffinian number.

5782521 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (5782529) 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, 963751 + ... + 963756.

It is an arithmetic number, because the mean of its divisors is an integer number (1927508).

Almost surely, 2^5782521 is an apocalyptic number.

It is an amenable number.

5782521 is a deficient number, since it is larger than the sum of its proper divisors (1927511).

5782521 is a wasteful number, since it uses less digits than its factorization.

5782521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1927510.

The product of its digits is 5600, while the sum is 30.

The square root of 5782521 is about 2404.6872977583. The cubic root of 5782521 is about 179.4895103830.

The spelling of 5782521 in words is "five million, seven hundred eighty-two thousand, five hundred twenty-one".