64239353 has 2 divisors, whose sum is σ = 64239354. Its totient is φ = 64239352.

The previous prime is 64239337. The next prime is 64239359. The reversal of 64239353 is 35393246.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36445369 + 27793984 = 6037^2 + 5272^2 .

It is a cyclic number.

It is not a de Polignac number, because 64239353 - 2⁴ = 64239337 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (64239359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32119676 + 32119677.

It is an arithmetic number, because the mean of its divisors is an integer number (32119677).

Almost surely, 2^64239353 is an apocalyptic number.

It is an amenable number.

64239353 is a deficient number, since it is larger than the sum of its proper divisors (1).

64239353 is an equidigital number, since it uses as much as digits as its factorization.

64239353 is an evil number, because the sum of its binary digits is even.

The product of its digits is 58320, while the sum is 35.

The square root of 64239353 is about 8014.9456018117. The cubic root of 64239353 is about 400.4980317370.

The spelling of 64239353 in words is "sixty-four million, two hundred thirty-nine thousand, three hundred fifty-three".