64486205 has 12 divisors (see below), whose sum is σ = 90017820. Its totient is φ = 44218944.

The previous prime is 64486189. The next prime is 64486217. The reversal of 64486205 is 50268446.

It can be written as a sum of positive squares in 2 ways, for example, as 17522596 + 46963609 = 4186^2 + 6853^2 .

It is not a de Polignac number, because 64486205 - 2⁴ = 64486189 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 131360 + ... + 131849.

It is an arithmetic number, because the mean of its divisors is an integer number (7501485).

Almost surely, 2^64486205 is an apocalyptic number.

It is an amenable number.

64486205 is a deficient number, since it is larger than the sum of its proper divisors (25531615).

64486205 is a wasteful number, since it uses less digits than its factorization.

64486205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263228 (or 263221 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 35.

The square root of 64486205 is about 8030.3303169919. The cubic root of 64486205 is about 401.0103728015.

The spelling of 64486205 in words is "sixty-four million, four hundred eighty-six thousand, two hundred five".