425005213 has 4 divisors (see below), whose sum is σ = 425336220. Its totient is φ = 424674208.

The previous prime is 425005211. The next prime is 425005267. The reversal of 425005213 is 312500524.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 330585124 + 94420089 = 18182^2 + 9717^2 .

It is a cyclic number.

It is not a de Polignac number, because 425005213 - 2¹ = 425005211 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425005211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 163570 + ... + 166147.

It is an arithmetic number, because the mean of its divisors is an integer number (106334055).

Almost surely, 2^425005213 is an apocalyptic number.

It is an amenable number.

425005213 is a deficient number, since it is larger than the sum of its proper divisors (331007).

425005213 is a wasteful number, since it uses less digits than its factorization.

425005213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 331006.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 425005213 is about 20615.6545615219. The cubic root of 425005213 is about 751.8503721134.

Adding to 425005213 its reverse (312500524), we get a palindrome (737505737).

It can be divided in two parts, 42500521 and 3, that added together give a palindrome (42500524).

The spelling of 425005213 in words is "four hundred twenty-five million, five thousand, two hundred thirteen".