63626005 has 4 divisors (see below), whose sum is σ = 76351212. Its totient is φ = 50900800.

The previous prime is 63625957. The next prime is 63626033. The reversal of 63626005 is 50062636.

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 45724644 + 17901361 = 6762^2 + 4231^2 .

It is not a de Polignac number, because 63626005 - 2¹⁵ = 63593237 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, 6362596 + ... + 6362605.

It is an arithmetic number, because the mean of its divisors is an integer number (19087803).

Almost surely, 2^63626005 is an apocalyptic number.

It is an amenable number.

63626005 is a deficient number, since it is larger than the sum of its proper divisors (12725207).

63626005 is a wasteful number, since it uses less digits than its factorization.

63626005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12725206.

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 63626005 is about 7976.5910638568. The cubic root of 63626005 is about 399.2193210923.

The spelling of 63626005 in words is "sixty-three million, six hundred twenty-six thousand, five".