5211261 has 12 divisors (see below), whose sum is σ = 8211840. Its totient is φ = 3158280.

The previous prime is 5211259. The next prime is 5211277. The reversal of 5211261 is 1621125.

It is not a de Polignac number, because 5211261 - 2¹ = 5211259 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5211211) 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 11 ways as a sum of consecutive naturals, for example, 26221 + ... + 26418.

It is an arithmetic number, because the mean of its divisors is an integer number (684320).

Almost surely, 2^5211261 is an apocalyptic number.

It is an amenable number.

5211261 is a deficient number, since it is larger than the sum of its proper divisors (3000579).

5211261 is a wasteful number, since it uses less digits than its factorization.

5211261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52656 (or 52653 counting only the distinct ones).

The product of its digits is 120, while the sum is 18.

The square root of 5211261 is about 2282.8186524558. The cubic root of 5211261 is about 173.3727913950.

Adding to 5211261 its reverse (1621125), we get a palindrome (6832386).

The spelling of 5211261 in words is "five million, two hundred eleven thousand, two hundred sixty-one".