425425243 has 4 divisors (see below), whose sum is σ = 427584960. Its totient is φ = 423265528.

The previous prime is 425425213. The next prime is 425425249. The reversal of 425425243 is 342524524.

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 425425243 - 2¹³ = 425417051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (425425249) 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, 1079563 + ... + 1079956.

It is an arithmetic number, because the mean of its divisors is an integer number (106896240).

Almost surely, 2^425425243 is an apocalyptic number.

425425243 is a deficient number, since it is larger than the sum of its proper divisors (2159717).

425425243 is a wasteful number, since it uses less digits than its factorization.

425425243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2159716.

The product of its digits is 38400, while the sum is 31.

The square root of 425425243 is about 20625.8392071692. The cubic root of 425425243 is about 752.0979735741.

Adding to 425425243 its reverse (342524524), we get a palindrome (767949767).

The spelling of 425425243 in words is "four hundred twenty-five million, four hundred twenty-five thousand, two hundred forty-three".