425230111 has 4 divisors (see below), whose sum is σ = 426245400. Its totient is φ = 424214824.

The previous prime is 425230093. The next prime is 425230121. The reversal of 425230111 is 111032524.

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

It is a cyclic number.

It is not a de Polignac number, because 425230111 - 2⁵ = 425230079 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 (425230121) 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, 507016 + ... + 507853.

It is an arithmetic number, because the mean of its divisors is an integer number (106561350).

Almost surely, 2^425230111 is an apocalyptic number.

425230111 is a deficient number, since it is larger than the sum of its proper divisors (1015289).

425230111 is a wasteful number, since it uses less digits than its factorization.

425230111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1015288.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 425230111 is about 20621.1083843716. The cubic root of 425230111 is about 751.9829664308.

Adding to 425230111 its reverse (111032524), we get a palindrome (536262635).

The spelling of 425230111 in words is "four hundred twenty-five million, two hundred thirty thousand, one hundred eleven".