5375621 has 4 divisors (see below), whose sum is σ = 5691852. Its totient is φ = 5059392.

The previous prime is 5375609. The next prime is 5375639. The reversal of 5375621 is 1265735.

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 4452100 + 923521 = 2110^2 + 961^2 .

It is a cyclic number.

It is not a de Polignac number, because 5375621 - 2¹⁰ = 5374597 is a prime.

It is a super-2 number, since 2×5375621² = 57794602271282, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5375641) 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, 158090 + ... + 158123.

It is an arithmetic number, because the mean of its divisors is an integer number (1422963).

Almost surely, 2^5375621 is an apocalyptic number.

It is an amenable number.

5375621 is a deficient number, since it is larger than the sum of its proper divisors (316231).

5375621 is a wasteful number, since it uses less digits than its factorization.

5375621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316230.

The product of its digits is 6300, while the sum is 29.

The square root of 5375621 is about 2318.5385483101. The cubic root of 5375621 is about 175.1766488377.

The spelling of 5375621 in words is "five million, three hundred seventy-five thousand, six hundred twenty-one".