64903241 has 8 divisors (see below), whose sum is σ = 69970824. Its totient is φ = 59846400.

The previous prime is 64903231. The next prime is 64903249. The reversal of 64903241 is 14230946.

It can be written as a sum of positive squares in 4 ways, for example, as 2493241 + 62410000 = 1579^2 + 7900^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 64903241 - 2¹⁰ = 64902217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64903249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13535 + ... + 17691.

It is an arithmetic number, because the mean of its divisors is an integer number (8746353).

Almost surely, 2^64903241 is an apocalyptic number.

It is an amenable number.

64903241 is a deficient number, since it is larger than the sum of its proper divisors (5067583).

64903241 is a wasteful number, since it uses less digits than its factorization.

64903241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5371.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 64903241 is about 8056.2547750180. The cubic root of 64903241 is about 401.8729683687.

The spelling of 64903241 in words is "sixty-four million, nine hundred three thousand, two hundred forty-one".