5419661 has 6 divisors (see below), whose sum is σ = 5868810. Its totient is φ = 5002608.

The previous prime is 5419627. The next prime is 5419663. The reversal of 5419661 is 1669145.

5419661 = 444² + 445² + ... + 469².

It can be written as a sum of positive squares in 3 ways, for example, as 175561 + 5244100 = 419^2 + 2290^2 .

It is not a de Polignac number, because 5419661 - 2⁶ = 5419597 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 (5419663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 15866 + ... + 16203.

It is an arithmetic number, because the mean of its divisors is an integer number (978135).

Almost surely, 2^5419661 is an apocalyptic number.

It is an amenable number.

5419661 is a deficient number, since it is larger than the sum of its proper divisors (449149).

5419661 is a wasteful number, since it uses less digits than its factorization.

5419661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32095 (or 32082 counting only the distinct ones).

The product of its digits is 6480, while the sum is 32.

The square root of 5419661 is about 2328.0165377419. The cubic root of 5419661 is about 175.6537290422.

The spelling of 5419661 in words is "five million, four hundred nineteen thousand, six hundred sixty-one".