64315452 has 48 divisors (see below), whose sum is σ = 161667072. Its totient is φ = 19842240.

The previous prime is 64315451. The next prime is 64315457. The reversal of 64315452 is 25451346.

64315452 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64315451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4798 + ... + 12314.

It is an arithmetic number, because the mean of its divisors is an integer number (3368064).

Almost surely, 2^64315452 is an apocalyptic number.

64315452 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 64315452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80833536).

64315452 is an abundant number, since it is smaller than the sum of its proper divisors (97351620).

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

64315452 is a wasteful number, since it uses less digits than its factorization.

64315452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7578 (or 7576 counting only the distinct ones).

The product of its digits is 14400, while the sum is 30.

The square root of 64315452 is about 8019.6915152642. The cubic root of 64315452 is about 400.6561148615.

Adding to 64315452 its reverse (25451346), we get a palindrome (89766798).

The spelling of 64315452 in words is "sixty-four million, three hundred fifteen thousand, four hundred fifty-two".