5749621 has 4 divisors (see below), whose sum is σ = 6087852. Its totient is φ = 5411392.

The previous prime is 5749619. The next prime is 5749631. The reversal of 5749621 is 1269475.

5749621 is nontrivially palindromic in base 16.

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 2842596 + 2907025 = 1686^2 + 1705^2 .

It is a cyclic number.

It is not a de Polignac number, because 5749621 - 2¹ = 5749619 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 (5749631) 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, 169090 + ... + 169123.

It is an arithmetic number, because the mean of its divisors is an integer number (1521963).

Almost surely, 2^5749621 is an apocalyptic number.

It is an amenable number.

5749621 is a deficient number, since it is larger than the sum of its proper divisors (338231).

5749621 is a wasteful number, since it uses less digits than its factorization.

5749621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 338230.

The product of its digits is 15120, while the sum is 34.

The square root of 5749621 is about 2397.8367333912. The cubic root of 5749621 is about 179.1484573045.

The spelling of 5749621 in words is "five million, seven hundred forty-nine thousand, six hundred twenty-one".