63449253 has 24 divisors (see below), whose sum is σ = 110904768. Its totient is φ = 34123392.

The previous prime is 63449251. The next prime is 63449273. The reversal of 63449253 is 35294436.

It is not a de Polignac number, because 63449253 - 2¹ = 63449251 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63449251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28551 + ... + 30692.

It is an arithmetic number, because the mean of its divisors is an integer number (4621032).

Almost surely, 2^63449253 is an apocalyptic number.

63449253 is a gapful number since it is divisible by the number (63) formed by its first and last digit.

It is an amenable number.

63449253 is a deficient number, since it is larger than the sum of its proper divisors (47455515).

63449253 is a wasteful number, since it uses less digits than its factorization.

63449253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59273 (or 59270 counting only the distinct ones).

The product of its digits is 77760, while the sum is 36.

The square root of 63449253 is about 7965.5039388604. The cubic root of 63449253 is about 398.8493033339.

The spelling of 63449253 in words is "sixty-three million, four hundred forty-nine thousand, two hundred fifty-three".