64241255 has 16 divisors (see below), whose sum is σ = 83280960. Its totient is φ = 47290368.

The previous prime is 64241251. The next prime is 64241263. The reversal of 64241255 is 55214246.

It is a cyclic number.

It is not a de Polignac number, because 64241255 - 2² = 64241251 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64241251) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21959 + ... + 24711.

It is an arithmetic number, because the mean of its divisors is an integer number (5205060).

Almost surely, 2^64241255 is an apocalyptic number.

64241255 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

64241255 is a deficient number, since it is larger than the sum of its proper divisors (19039705).

64241255 is a wasteful number, since it uses less digits than its factorization.

64241255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3130.

The product of its digits is 9600, while the sum is 29.

The square root of 64241255 is about 8015.0642542652. The cubic root of 64241255 is about 400.5019843491.

It can be divided in two parts, 6424 and 1255, that multiplied together give a triangular number (8062120 = T₄₀₁₅).

The spelling of 64241255 in words is "sixty-four million, two hundred forty-one thousand, two hundred fifty-five".