64075541 has 4 divisors (see below), whose sum is σ = 64663500. Its totient is φ = 63487584.

The previous prime is 64075507. The next prime is 64075549. The reversal of 64075541 is 14557046.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 17098225 + 46977316 = 4135^2 + 6854^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-64075541 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 64075498 and 64075507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64075549) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 293816 + ... + 294033.

It is an arithmetic number, because the mean of its divisors is an integer number (16165875).

Almost surely, 2^64075541 is an apocalyptic number.

It is an amenable number.

64075541 is a deficient number, since it is larger than the sum of its proper divisors (587959).

64075541 is a wasteful number, since it uses less digits than its factorization.

64075541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 587958.

The product of its (nonzero) digits is 16800, while the sum is 32.

The square root of 64075541 is about 8004.7199201471. The cubic root of 64075541 is about 400.1573152050.

The spelling of 64075541 in words is "sixty-four million, seventy-five thousand, five hundred forty-one".