425499243 has 24 divisors (see below), whose sum is σ = 646678080. Its totient is φ = 248058720.

The previous prime is 425499229. The next prime is 425499247. The reversal of 425499243 is 342994524.

It is a de Polignac number, because none of the positive numbers 2^k-425499243 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 425499195 and 425499204.

It is not an unprimeable number, because it can be changed into a prime (425499247) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12453 + ... + 31718.

It is an arithmetic number, because the mean of its divisors is an integer number (26944920).

Almost surely, 2^425499243 is an apocalyptic number.

425499243 is a deficient number, since it is larger than the sum of its proper divisors (221178837).

425499243 is a wasteful number, since it uses less digits than its factorization.

425499243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44219 (or 44206 counting only the distinct ones).

The product of its digits is 311040, while the sum is 42.

The square root of 425499243 is about 20627.6329955717. The cubic root of 425499243 is about 752.1415785899.

The spelling of 425499243 in words is "four hundred twenty-five million, four hundred ninety-nine thousand, two hundred forty-three".