63961350 has 36 divisors (see below), whose sum is σ = 158867436. Its totient is φ = 17030240.

The previous prime is 63961319. The next prime is 63961351. The reversal of 63961350 is 5316936.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63961351) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 97624 + ... + 98276.

Almost surely, 2^63961350 is an apocalyptic number.

63961350 is an abundant number, since it is smaller than the sum of its proper divisors (94906086).

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

63961350 is an equidigital number, since it uses as much as digits as its factorization.

63961350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1321 (or 663 counting only the distinct ones).

The product of its (nonzero) digits is 14580, while the sum is 33.

The square root of 63961350 is about 7997.5840101871. The cubic root of 63961350 is about 399.9194629522.

The spelling of 63961350 in words is "sixty-three million, nine hundred sixty-one thousand, three hundred fifty".