524621 has 4 divisors (see below), whose sum is σ = 529632. Its totient is φ = 519612.

The previous prime is 524599. The next prime is 524633. The reversal of 524621 is 126425.

It is a happy number.

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 524621 - 2¹⁰ = 523597 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 524593 and 524602.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 524621.

It is not an unprimeable number, because it can be changed into a prime (524681) 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, 2345 + ... + 2558.

It is an arithmetic number, because the mean of its divisors is an integer number (132408).

2⁵²⁴⁶²¹ is an apocalyptic number.

It is an amenable number.

524621 is a deficient number, since it is larger than the sum of its proper divisors (5011).

524621 is a wasteful number, since it uses less digits than its factorization.

524621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5010.

The product of its digits is 480, while the sum is 20.

The square root of 524621 is about 724.3072552446. The cubic root of 524621 is about 80.6520152644.

The spelling of 524621 in words is "five hundred twenty-four thousand, six hundred twenty-one".