425448113 has 4 divisors (see below), whose sum is σ = 425531748. Its totient is φ = 425364480.

The previous prime is 425448109. The next prime is 425448131. The reversal of 425448113 is 311844524.

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 119617969 + 305830144 = 10937^2 + 17488^2 .

It is a cyclic number.

It is not a de Polignac number, because 425448113 - 2² = 425448109 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 425448113.

It is not an unprimeable number, because it can be changed into a prime (425448713) 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, 33656 + ... + 44537.

It is an arithmetic number, because the mean of its divisors is an integer number (106382937).

Almost surely, 2^425448113 is an apocalyptic number.

It is an amenable number.

425448113 is a deficient number, since it is larger than the sum of its proper divisors (83635).

425448113 is an equidigital number, since it uses as much as digits as its factorization.

425448113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83634.

The product of its digits is 15360, while the sum is 32.

The square root of 425448113 is about 20626.3936014030. The cubic root of 425448113 is about 752.1114504209. Note that the first 3 decimals are identical.

The spelling of 425448113 in words is "four hundred twenty-five million, four hundred forty-eight thousand, one hundred thirteen".