5515201 has 4 divisors (see below), whose sum is σ = 5522004. Its totient is φ = 5508400.

The previous prime is 5515199. The next prime is 5515207. The reversal of 5515201 is 1025155.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1025155 = 5 ⋅205031.

It can be written as a sum of positive squares in 2 ways, for example, as 2958400 + 2556801 = 1720^2 + 1599^2 .

It is a cyclic number.

It is not a de Polignac number, because 5515201 - 2¹ = 5515199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5515207) 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, 1990 + ... + 3871.

It is an arithmetic number, because the mean of its divisors is an integer number (1380501).

Almost surely, 2^5515201 is an apocalyptic number.

It is an amenable number.

5515201 is a deficient number, since it is larger than the sum of its proper divisors (6803).

5515201 is an equidigital number, since it uses as much as digits as its factorization.

5515201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6802.

The product of its (nonzero) digits is 250, while the sum is 19.

The square root of 5515201 is about 2348.4465078004. The cubic root of 5515201 is about 176.6798878599.

The spelling of 5515201 in words is "five million, five hundred fifteen thousand, two hundred one".