425240205 has 16 divisors (see below), whose sum is σ = 732721920. Its totient is φ = 209348928.

The previous prime is 425240203. The next prime is 425240239. The reversal of 425240205 is 502042524.

It is a happy number.

It is not a de Polignac number, because 425240205 - 2¹ = 425240203 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425240203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1090165 + ... + 1090554.

It is an arithmetic number, because the mean of its divisors is an integer number (45795120).

Almost surely, 2^425240205 is an apocalyptic number.

It is an amenable number.

425240205 is a deficient number, since it is larger than the sum of its proper divisors (307481715).

425240205 is a wasteful number, since it uses less digits than its factorization.

425240205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2180740.

The product of its (nonzero) digits is 3200, while the sum is 24.

The square root of 425240205 is about 20621.3531321298. The cubic root of 425240205 is about 751.9889165080.

Adding to 425240205 its reverse (502042524), we get a palindrome (927282729).

The spelling of 425240205 in words is "four hundred twenty-five million, two hundred forty thousand, two hundred five".