63212526 has 48 divisors (see below), whose sum is σ = 148555680. Its totient is φ = 19310400.

The previous prime is 63212521. The next prime is 63212581. The reversal of 63212526 is 62521236.

63212526 is a `hidden beast` number, since 632 + 1 + 2 + 5 + 26 = 666.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 63212526.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63212521) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 34440 + ... + 36228.

It is an arithmetic number, because the mean of its divisors is an integer number (3094910).

Almost surely, 2^63212526 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63212526, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74277840).

63212526 is an abundant number, since it is smaller than the sum of its proper divisors (85343154).

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

63212526 is a wasteful number, since it uses less digits than its factorization.

63212526 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1961 (or 1958 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 63212526 is about 7950.6305410326. The cubic root of 63212526 is about 398.3526541090.

The spelling of 63212526 in words is "sixty-three million, two hundred twelve thousand, five hundred twenty-six".