425425211 has 4 divisors (see below), whose sum is σ = 425494632. Its totient is φ = 425355792.

The previous prime is 425425199. The next prime is 425425213. The reversal of 425425211 is 112524524.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-425425211 is a prime.

It is a super-2 number, since 2×425425211² = 361973220308789042, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (425425213) 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, 24521 + ... + 38106.

It is an arithmetic number, because the mean of its divisors is an integer number (106373658).

Almost surely, 2^425425211 is an apocalyptic number.

425425211 is a deficient number, since it is larger than the sum of its proper divisors (69421).

425425211 is an equidigital number, since it uses as much as digits as its factorization.

425425211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69420.

The product of its digits is 3200, while the sum is 26.

The square root of 425425211 is about 20625.8384314432. The cubic root of 425425211 is about 752.0979547168.

Adding to 425425211 its reverse (112524524), we get a palindrome (537949735).

The spelling of 425425211 in words is "four hundred twenty-five million, four hundred twenty-five thousand, two hundred eleven".