425125243 has 4 divisors (see below), whose sum is σ = 433146528. Its totient is φ = 417103960.

The previous prime is 425125201. The next prime is 425125277. The reversal of 425125243 is 342521524.

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 425125243 - 2¹³ = 425117051 is a prime.

It is not an unprimeable number, because it can be changed into a prime (425125343) 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, 4010563 + ... + 4010668.

It is an arithmetic number, because the mean of its divisors is an integer number (108286632).

Almost surely, 2^425125243 is an apocalyptic number.

425125243 is a deficient number, since it is larger than the sum of its proper divisors (8021285).

425125243 is an equidigital number, since it uses as much as digits as its factorization.

425125243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8021284.

The product of its digits is 9600, while the sum is 28.

The square root of 425125243 is about 20618.5654932636. The cubic root of 425125243 is about 751.9211446617.

Adding to 425125243 its reverse (342521524), we get a palindrome (767646767).

The spelling of 425125243 in words is "four hundred twenty-five million, one hundred twenty-five thousand, two hundred forty-three".