425213 has 4 divisors (see below), whose sum is σ = 432480. Its totient is φ = 417948.

The previous prime is 425207. The next prime is 425233. The reversal of 425213 is 312524.

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 425213 - 2⁴ = 425197 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 425191 and 425200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425233) 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, 3545 + ... + 3662.

It is an arithmetic number, because the mean of its divisors is an integer number (108120).

2⁴²⁵²¹³ is an apocalyptic number.

It is an amenable number.

425213 is a deficient number, since it is larger than the sum of its proper divisors (7267).

425213 is an equidigital number, since it uses as much as digits as its factorization.

425213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7266.

The product of its digits is 240, while the sum is 17.

The square root of 425213 is about 652.0835835995. The cubic root of 425213 is about 75.1972879850.

Adding to 425213 its reverse (312524), we get a palindrome (737737).

It can be divided in two parts, 42521 and 3, that added together give a palindrome (42524).

The spelling of 425213 in words is "four hundred twenty-five thousand, two hundred thirteen".