64125450 has 36 divisors (see below), whose sum is σ = 172284918. Its totient is φ = 17100000.

The previous prime is 64125443. The next prime is 64125487. The reversal of 64125450 is 5452146.

64125450 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 42419169 + 21706281 = 6513^2 + 4659^2 .

It is a super-2 number, since 2×64125450² = 8224146675405000, which contains 22 as substring.

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 17 ways as a sum of consecutive naturals, for example, 70801 + ... + 71700.

Almost surely, 2^64125450 is an apocalyptic number.

64125450 is an abundant number, since it is smaller than the sum of its proper divisors (108159468).

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

64125450 is a wasteful number, since it uses less digits than its factorization.

64125450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142519 (or 142511 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 64125450 is about 8007.8367865485. The cubic root of 64125450 is about 400.2611835874.

Adding to 64125450 its reverse (5452146), we get a palindrome (69577596).

The spelling of 64125450 in words is "sixty-four million, one hundred twenty-five thousand, four hundred fifty".