63451902 has 16 divisors (see below), whose sum is σ = 127639440. Its totient is φ = 21028032.

The previous prime is 63451901. The next prime is 63451907. The reversal of 63451902 is 20915436.

It is a super-2 number, since 2×63451902² = 8052287734835208, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 63451902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63451901) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29527 + ... + 31602.

It is an arithmetic number, because the mean of its divisors is an integer number (7977465).

Almost surely, 2^63451902 is an apocalyptic number.

63451902 is an abundant number, since it is smaller than the sum of its proper divisors (64187538).

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

63451902 is a wasteful number, since it uses less digits than its factorization.

63451902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61307.

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 63451902 is about 7965.6702166233. The cubic root of 63451902 is about 398.8548538962.

The spelling of 63451902 in words is "sixty-three million, four hundred fifty-one thousand, nine hundred two".