64425071 has 2 divisors, whose sum is σ = 64425072. Its totient is φ = 64425070.

The previous prime is 64425059. The next prime is 64425077. The reversal of 64425071 is 17052446.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 64425071 - 2⁶ = 64425007 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64425077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32212535 + 32212536.

It is an arithmetic number, because the mean of its divisors is an integer number (32212536).

Almost surely, 2^64425071 is an apocalyptic number.

64425071 is a deficient number, since it is larger than the sum of its proper divisors (1).

64425071 is an equidigital number, since it uses as much as digits as its factorization.

64425071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 64425071 is about 8026.5229707514. The cubic root of 64425071 is about 400.8836112241.

The spelling of 64425071 in words is "sixty-four million, four hundred twenty-five thousand, seventy-one".