63251424 has 72 divisors (see below), whose sum is σ = 190466640. Its totient is φ = 19842048.

The previous prime is 63251401. The next prime is 63251431. The reversal of 63251424 is 42415236.

63251424 is a `hidden beast` number, since 632 + 5 + 1 + 4 + 24 = 666.

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

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, 1564 + ... + 11355.

It is an arithmetic number, because the mean of its divisors is an integer number (2645370).

Almost surely, 2^63251424 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 63251424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95233320).

63251424 is an abundant number, since it is smaller than the sum of its proper divisors (127215216).

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

63251424 is a wasteful number, since it uses less digits than its factorization.

63251424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12952 (or 12941 counting only the distinct ones).

The product of its digits is 5760, while the sum is 27.

The square root of 63251424 is about 7953.0763859025. The cubic root of 63251424 is about 398.4343464848.

The spelling of 63251424 in words is "sixty-three million, two hundred fifty-one thousand, four hundred twenty-four".