64246425 has 24 divisors (see below), whose sum is σ = 106451520. Its totient is φ = 34190400.

The previous prime is 64246421. The next prime is 64246439. The reversal of 64246425 is 52464246.

64246425 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 64246425 - 2² = 64246421 is a prime.

It is not an unprimeable number, because it can be changed into a prime (64246421) 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 23 ways as a sum of consecutive naturals, for example, 62415 + ... + 63435.

It is an arithmetic number, because the mean of its divisors is an integer number (4435480).

Almost surely, 2^64246425 is an apocalyptic number.

It is an amenable number.

64246425 is a deficient number, since it is larger than the sum of its proper divisors (42205095).

64246425 is a wasteful number, since it uses less digits than its factorization.

64246425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1873 (or 1868 counting only the distinct ones).

The product of its digits is 46080, while the sum is 33.

The square root of 64246425 is about 8015.3867654655. The cubic root of 64246425 is about 400.5127279111.

The spelling of 64246425 in words is "sixty-four million, two hundred forty-six thousand, four hundred twenty-five".