64425043 has 2 divisors, whose sum is σ = 64425044. Its totient is φ = 64425042.

The previous prime is 64425041. The next prime is 64425059. The reversal of 64425043 is 34052446.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 64425043 - 2¹ = 64425041 is a prime.

Together with 64425041, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (64425041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32212521 + 32212522.

It is an arithmetic number, because the mean of its divisors is an integer number (32212522).

Almost surely, 2^64425043 is an apocalyptic number.

64425043 is a deficient number, since it is larger than the sum of its proper divisors (1).

64425043 is an equidigital number, since it uses as much as digits as its factorization.

64425043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11520, while the sum is 28.

The square root of 64425043 is about 8026.5212265339. The cubic root of 64425043 is about 400.8835531476.

Adding to 64425043 its reverse (34052446), we get a palindrome (98477489).

The spelling of 64425043 in words is "sixty-four million, four hundred twenty-five thousand, forty-three".