64266047 has 2 divisors, whose sum is σ = 64266048. Its totient is φ = 64266046.

The previous prime is 64266043. The next prime is 64266049. The reversal of 64266047 is 74066246.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 64266047 - 2² = 64266043 is a prime.

Together with 64266049, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 64265998 and 64266016.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64266043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32133023 + 32133024.

It is an arithmetic number, because the mean of its divisors is an integer number (32133024).

Almost surely, 2^64266047 is an apocalyptic number.

64266047 is a deficient number, since it is larger than the sum of its proper divisors (1).

64266047 is an equidigital number, since it uses as much as digits as its factorization.

64266047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48384, while the sum is 35.

The square root of 64266047 is about 8016.6106928053. The cubic root of 64266047 is about 400.5534983291.

The spelling of 64266047 in words is "sixty-four million, two hundred sixty-six thousand, forty-seven".