425000205 has 24 divisors (see below), whose sum is σ = 841905792. Its totient is φ = 194285664.

The previous prime is 425000203. The next prime is 425000231. The reversal of 425000205 is 502000524.

It is not a de Polignac number, because 425000205 - 2¹ = 425000203 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425000203) 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, 674289 + ... + 674918.

It is an arithmetic number, because the mean of its divisors is an integer number (35079408).

Almost surely, 2^425000205 is an apocalyptic number.

425000205 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

425000205 is a deficient number, since it is larger than the sum of its proper divisors (416905587).

425000205 is a wasteful number, since it uses less digits than its factorization.

425000205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1349225 (or 1349222 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 18.

The square root of 425000205 is about 20615.5331000680. The cubic root of 425000205 is about 751.8474189877.

Adding to 425000205 its reverse (502000524), we get a palindrome (927000729).

The spelling of 425000205 in words is "four hundred twenty-five million, two hundred five", and thus it is an aban number.