63609057 has 20 divisors (see below), whose sum is σ = 95255556. Its totient is φ = 42301440.

The previous prime is 63609047. The next prime is 63609067. The reversal of 63609057 is 75090636.

It is a happy number.

63609057 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (63609047) and next prime (63609067).

It can be written as a sum of positive squares in 2 ways, for example, as 42458256 + 21150801 = 6516^2 + 4599^2 .

It is not a de Polignac number, because 63609057 - 2¹⁴ = 63592673 is a prime.

It is a super-2 number, since 2×63609057² = 8092224264858498, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (63609047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 46057 + ... + 47417.

Almost surely, 2^63609057 is an apocalyptic number.

It is an amenable number.

63609057 is a deficient number, since it is larger than the sum of its proper divisors (31646499).

63609057 is a wasteful number, since it uses less digits than its factorization.

63609057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1950 (or 1941 counting only the distinct ones).

The product of its (nonzero) digits is 34020, while the sum is 36.

The square root of 63609057 is about 7975.5286345170. The cubic root of 63609057 is about 399.1838713844.

It can be divided in two parts, 6 and 3609057, that added together give a palindrome (3609063).

The spelling of 63609057 in words is "sixty-three million, six hundred nine thousand, fifty-seven".