425917213 has 4 divisors (see below), whose sum is σ = 426169600. Its totient is φ = 425664828.

The previous prime is 425917211. The next prime is 425917237. The reversal of 425917213 is 312719524.

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 425917213 - 2¹ = 425917211 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 (425917211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 123645 + ... + 127042.

It is an arithmetic number, because the mean of its divisors is an integer number (106542400).

Almost surely, 2^425917213 is an apocalyptic number.

It is an amenable number.

425917213 is a deficient number, since it is larger than the sum of its proper divisors (252387).

425917213 is a wasteful number, since it uses less digits than its factorization.

425917213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252386.

The product of its digits is 15120, while the sum is 34.

The square root of 425917213 is about 20637.7618214767. The cubic root of 425917213 is about 752.3877754519.

The spelling of 425917213 in words is "four hundred twenty-five million, nine hundred seventeen thousand, two hundred thirteen".