425503243 has 32 divisors (see below), whose sum is σ = 499968000. Its totient is φ = 358300800.

The previous prime is 425503223. The next prime is 425503249. The reversal of 425503243 is 342305524.

It is a de Polignac number, because none of the positive numbers 2^k-425503243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (425503249) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1219033 + ... + 1219381.

It is an arithmetic number, because the mean of its divisors is an integer number (15624000).

Almost surely, 2^425503243 is an apocalyptic number.

425503243 is a deficient number, since it is larger than the sum of its proper divisors (74464757).

425503243 is a wasteful number, since it uses less digits than its factorization.

425503243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 523.

The product of its (nonzero) digits is 14400, while the sum is 28.

The square root of 425503243 is about 20627.7299526632. The cubic root of 425503243 is about 752.1439354738.

Adding to 425503243 its reverse (342305524), we get a palindrome (767808767).

The spelling of 425503243 in words is "four hundred twenty-five million, five hundred three thousand, two hundred forty-three".