64260361 has 16 divisors (see below), whose sum is σ = 72483840. Its totient is φ = 56463120.

The previous prime is 64260359. The next prime is 64260373. The reversal of 64260361 is 16306246.

It is a cyclic number.

It is not a de Polignac number, because 64260361 - 2¹ = 64260359 is a prime.

It is not an unprimeable number, because it can be changed into a prime (64260311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48060 + ... + 49378.

It is an arithmetic number, because the mean of its divisors is an integer number (4530240).

Almost surely, 2^64260361 is an apocalyptic number.

It is an amenable number.

64260361 is a deficient number, since it is larger than the sum of its proper divisors (8223479).

64260361 is a wasteful number, since it uses less digits than its factorization.

64260361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1476.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 64260361 is about 8016.2560463099. The cubic root of 64260361 is about 400.5416848626.

The spelling of 64260361 in words is "sixty-four million, two hundred sixty thousand, three hundred sixty-one".