64825450 has 24 divisors (see below), whose sum is σ = 120881772. Its totient is φ = 25864320.

The previous prime is 64825447. The next prime is 64825451. The reversal of 64825450 is 5452846.

It can be written as a sum of positive squares in 6 ways, for example, as 17614809 + 47210641 = 4197^2 + 6871^2 .

It is not an unprimeable number, because it can be changed into a prime (64825451) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21432 + ... + 24268.

Almost surely, 2^64825450 is an apocalyptic number.

64825450 is a deficient number, since it is larger than the sum of its proper divisors (56056322).

64825450 is a wasteful number, since it uses less digits than its factorization.

64825450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3306 (or 3301 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 34.

The square root of 64825450 is about 8051.4253396526. The cubic root of 64825450 is about 401.7123467118.

The spelling of 64825450 in words is "sixty-four million, eight hundred twenty-five thousand, four hundred fifty".