4161577 has 4 divisors (see below), whose sum is σ = 4756096. Its totient is φ = 3567060.

The previous prime is 4161559. The next prime is 4161581. The reversal of 4161577 is 7751614.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a de Polignac number, because none of the positive numbers 2^k-4161577 is a prime.

It is a Duffinian number.

4161577 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4161527) 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, 297249 + ... + 297262.

It is an arithmetic number, because the mean of its divisors is an integer number (1189024).

Almost surely, 2^4161577 is an apocalyptic number.

It is an amenable number.

4161577 is a deficient number, since it is larger than the sum of its proper divisors (594519).

4161577 is an equidigital number, since it uses as much as digits as its factorization.

4161577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 594518.

The product of its digits is 5880, while the sum is 31.

The square root of 4161577 is about 2039.9943627373. The cubic root of 4161577 is about 160.8493504829.

The spelling of 4161577 in words is "four million, one hundred sixty-one thousand, five hundred seventy-seven".