63400532 has 12 divisors (see below), whose sum is σ = 119485716. Its totient is φ = 29261760.

The previous prime is 63400529. The next prime is 63400537. The reversal of 63400532 is 23500436.

It can be written as a sum of positive squares in 2 ways, for example, as 22619536 + 40780996 = 4756^2 + 6386^2 .

It is a junction number, because it is equal to n+sod(n) for n = 63400498 and 63400507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63400537) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 609569 + ... + 609672.

It is an arithmetic number, because the mean of its divisors is an integer number (9957143).

Almost surely, 2^63400532 is an apocalyptic number.

It is an amenable number.

63400532 is a deficient number, since it is larger than the sum of its proper divisors (56085184).

63400532 is a wasteful number, since it uses less digits than its factorization.

63400532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1219258 (or 1219256 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 63400532 is about 7962.4451018516. The cubic root of 63400532 is about 398.7471885888.

Adding to 63400532 its reverse (23500436), we get a palindrome (86900968).

The spelling of 63400532 in words is "sixty-three million, four hundred thousand, five hundred thirty-two".