425459205 has 24 divisors (see below), whose sum is σ = 739098360. Its totient is φ = 226408320.

The previous prime is 425459149. The next prime is 425459213. The reversal of 425459205 is 502954524.

It can be written as a sum of positive squares in 4 ways, for example, as 2169729 + 423289476 = 1473^2 + 20574^2 .

It is not a de Polignac number, because 425459205 - 2¹² = 425455109 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 425459205.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10491 + ... + 30999.

It is an arithmetic number, because the mean of its divisors is an integer number (30795765).

Almost surely, 2^425459205 is an apocalyptic number.

425459205 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

425459205 is a deficient number, since it is larger than the sum of its proper divisors (313639155).

425459205 is a wasteful number, since it uses less digits than its factorization.

425459205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20981 (or 20978 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

The square root of 425459205 is about 20626.6624784525. The cubic root of 425459205 is about 752.1179865471.

The spelling of 425459205 in words is "four hundred twenty-five million, four hundred fifty-nine thousand, two hundred five".