5501261 has 4 divisors (see below), whose sum is σ = 5511132.
Its totient is φ = 5491392.
The previous prime is 5501233. The next prime is 5501273. The reversal of 5501261 is 1621055.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1621055 = 5 ⋅324211.
It can be written as a sum of positive squares in 2 ways, for example, as 3976036 + 1525225 = 1994^2 + 1235^2
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-5501261 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 (5501201) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4046 + ... + 5231.
It is an arithmetic number, because the mean of its divisors is an integer number (1377783).
Almost surely, 25501261 is an apocalyptic number.
It is an amenable number.
5501261 is a deficient number, since it is larger than the sum of its proper divisors (9871).
5501261 is an equidigital number, since it uses as much as digits as its factorization.
5501261 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9870.
The product of its (nonzero) digits is 300, while the sum is 20.
The square root of 5501261 is about 2345.4767106070.
The cubic root of 5501261 is about 176.5309059453.
The spelling of 5501261 in words is "five million, five hundred one thousand, two hundred sixty-one".