64508401 has 8 divisors (see below), whose sum is σ = 68059520. Its totient is φ = 60972912.

The previous prime is 64508359. The next prime is 64508407. The reversal of 64508401 is 10480546.

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 64508401 - 2¹³ = 64500209 is a prime.

It is a super-2 number, since 2×64508401² = 8322667599153602, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 64508401.

It is not an unprimeable number, because it can be changed into a prime (64508407) 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, 5131 + ... + 12463.

It is an arithmetic number, because the mean of its divisors is an integer number (8507440).

Almost surely, 2^64508401 is an apocalyptic number.

It is an amenable number.

64508401 is a deficient number, since it is larger than the sum of its proper divisors (3551119).

64508401 is a wasteful number, since it uses less digits than its factorization.

64508401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7815.

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 64508401 is about 8031.7122084895. The cubic root of 64508401 is about 401.0563764660.

Adding to 64508401 its reverse (10480546), we get a palindrome (74988947).

The spelling of 64508401 in words is "sixty-four million, five hundred eight thousand, four hundred one".