63251712 has 72 divisors (see below), whose sum is σ = 187066880. Its totient is φ = 21081600.

The previous prime is 63251701. The next prime is 63251723. The reversal of 63251712 is 21715236.

It is a happy number.

63251712 is a `hidden beast` number, since 632 + 5 + 17 + 12 = 666.

It is an interprime number because it is at equal distance from previous prime (63251701) and next prime (63251723).

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2337 + ... + 11487.

Almost surely, 2^63251712 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63251712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93533440).

63251712 is an abundant number, since it is smaller than the sum of its proper divisors (123815168).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

63251712 is an equidigital number, since it uses as much as digits as its factorization.

63251712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9176 (or 9156 counting only the distinct ones).

The product of its digits is 2520, while the sum is 27.

The square root of 63251712 is about 7953.0944920829. The cubic root of 63251712 is about 398.4349512086.

Adding to 63251712 its reverse (21715236), we get a palindrome (84966948).

The spelling of 63251712 in words is "sixty-three million, two hundred fifty-one thousand, seven hundred twelve".