64401541 has 8 divisors (see below), whose sum is σ = 67281984. Its totient is φ = 61527840.

The previous prime is 64401523. The next prime is 64401551. The reversal of 64401541 is 14510446.

64401541 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 64401541 - 2²³ = 56012933 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64401521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36561 + ... + 38281.

It is an arithmetic number, because the mean of its divisors is an integer number (8410248).

Almost surely, 2^64401541 is an apocalyptic number.

It is an amenable number.

64401541 is a deficient number, since it is larger than the sum of its proper divisors (2880443).

64401541 is a wasteful number, since it uses less digits than its factorization.

64401541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3371.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 64401541 is about 8025.0570714482. The cubic root of 64401541 is about 400.8348003091.

Adding to 64401541 its reverse (14510446), we get a palindrome (78911987).

The spelling of 64401541 in words is "sixty-four million, four hundred one thousand, five hundred forty-one".