4161554 has 4 divisors (see below), whose sum is σ = 6242334. Its totient is φ = 2080776.

The previous prime is 4161539. The next prime is 4161557. The reversal of 4161554 is 4551614.

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

It can be written as a sum of positive squares in only one way, i.e., 3010225 + 1151329 = 1735^2 + 1073^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4161557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1040387 + ... + 1040390.

Almost surely, 2^4161554 is an apocalyptic number.

4161554 is a deficient number, since it is larger than the sum of its proper divisors (2080780).

4161554 is a wasteful number, since it uses less digits than its factorization.

4161554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2080779.

The product of its digits is 2400, while the sum is 26.

The square root of 4161554 is about 2039.9887254590. The cubic root of 4161554 is about 160.8490541576.

The spelling of 4161554 in words is "four million, one hundred sixty-one thousand, five hundred fifty-four".