64141247 has 2 divisors, whose sum is σ = 64141248. Its totient is φ = 64141246.

The previous prime is 64141237. The next prime is 64141279. The reversal of 64141247 is 74214146.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 64141247 - 2²⁰ = 63092671 is a prime.

It is a super-2 number, since 2×64141247² = 8228199133430018, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64141237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32070623 + 32070624.

It is an arithmetic number, because the mean of its divisors is an integer number (32070624).

Almost surely, 2^64141247 is an apocalyptic number.

64141247 is a deficient number, since it is larger than the sum of its proper divisors (1).

64141247 is an equidigital number, since it uses as much as digits as its factorization.

64141247 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5376, while the sum is 29.

The square root of 64141247 is about 8008.8230720874. The cubic root of 64141247 is about 400.2940483693.

The spelling of 64141247 in words is "sixty-four million, one hundred forty-one thousand, two hundred forty-seven".