425650205 has 4 divisors (see below), whose sum is σ = 510780252. Its totient is φ = 340520160.

The previous prime is 425650193. The next prime is 425650219. The reversal of 425650205 is 502056524.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 131836324 + 293813881 = 11482^2 + 17141^2 .

It is not a de Polignac number, because 425650205 - 2¹⁰ = 425649181 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42565016 + ... + 42565025.

It is an arithmetic number, because the mean of its divisors is an integer number (127695063).

Almost surely, 2^425650205 is an apocalyptic number.

It is an amenable number.

425650205 is a deficient number, since it is larger than the sum of its proper divisors (85130047).

425650205 is an equidigital number, since it uses as much as digits as its factorization.

425650205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85130046.

The product of its (nonzero) digits is 12000, while the sum is 29.

The square root of 425650205 is about 20631.2918887790. The cubic root of 425650205 is about 752.2305183263.

The spelling of 425650205 in words is "four hundred twenty-five million, six hundred fifty thousand, two hundred five".