64253450 has 12 divisors (see below), whose sum is σ = 119511510. Its totient is φ = 25701360.

The previous prime is 64253443. The next prime is 64253549. The reversal of 64253450 is 5435246.

64253450 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 24019801 + 40233649 = 4901^2 + 6343^2 .

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 642485 + ... + 642584.

Almost surely, 2^64253450 is an apocalyptic number.

64253450 is a deficient number, since it is larger than the sum of its proper divisors (55258060).

64253450 is a wasteful number, since it uses less digits than its factorization.

64253450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1285081 (or 1285076 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 29.

The square root of 64253450 is about 8015.8249731391. The cubic root of 64253450 is about 400.5273253478.

Adding to 64253450 its reverse (5435246), we get a palindrome (69688696).

The spelling of 64253450 in words is "sixty-four million, two hundred fifty-three thousand, four hundred fifty".