63685052 has 6 divisors (see below), whose sum is σ = 111448848. Its totient is φ = 31842524.

The previous prime is 63685051. The next prime is 63685057. The reversal of 63685052 is 25058636.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63685051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7960628 + ... + 7960635.

It is an arithmetic number, because the mean of its divisors is an integer number (18574808).

Almost surely, 2^63685052 is an apocalyptic number.

It is an amenable number.

63685052 is a deficient number, since it is larger than the sum of its proper divisors (47763796).

63685052 is a wasteful number, since it uses less digits than its factorization.

63685052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15921267 (or 15921265 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 35.

The square root of 63685052 is about 7980.2914733736. The cubic root of 63685052 is about 399.3427790764.

The spelling of 63685052 in words is "sixty-three million, six hundred eighty-five thousand, fifty-two".