412521 has 4 divisors (see below), whose sum is σ = 550032. Its totient is φ = 275012.

The previous prime is 412493. The next prime is 412537. The reversal of 412521 is 125214.

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 412521 - 2⁶ = 412457 is a prime.

It is a D-number.

It is an alternating number because its digits alternate between even and odd.

It is a self number, because there is not a number n which added to its sum of digits gives 412521.

It is not an unprimeable number, because it can be changed into a prime (412561) 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, 68751 + ... + 68756.

It is an arithmetic number, because the mean of its divisors is an integer number (137508).

2⁴¹²⁵²¹ is an apocalyptic number.

It is an amenable number.

412521 is a deficient number, since it is larger than the sum of its proper divisors (137511).

412521 is a wasteful number, since it uses less digits than its factorization.

412521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137510.

The product of its digits is 80, while the sum is 15.

The square root of 412521 is about 642.2779772030. The cubic root of 412521 is about 74.4415408552.

Adding to 412521 its reverse (125214), we get a palindrome (537735).

The spelling of 412521 in words is "four hundred twelve thousand, five hundred twenty-one".