64253250 has 160 divisors (see below), whose sum is σ = 190270080. Its totient is φ = 16135200.

The previous prime is 64253249. The next prime is 64253257. The reversal of 64253250 is 5235246.

64253250 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (64253257) 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 79 ways as a sum of consecutive naturals, for example, 384667 + ... + 384833.

It is an arithmetic number, because the mean of its divisors is an integer number (1189188).

Almost surely, 2^64253250 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 64253250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95135040).

64253250 is an abundant number, since it is smaller than the sum of its proper divisors (126016830).

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

64253250 is a wasteful number, since it uses less digits than its factorization.

64253250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215 (or 196 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 64253250 is about 8015.8124978071. The cubic root of 64253250 is about 400.5269097771.

Adding to 64253250 its reverse (5235246), we get a palindrome (69488496).

The spelling of 64253250 in words is "sixty-four million, two hundred fifty-three thousand, two hundred fifty".