7261261 has 24 divisors (see below), whose sum is σ = 9357120. Its totient is φ = 5588352.

The previous prime is 7261231. The next prime is 7261271. The reversal of 7261261 is 1621627.

It is not a de Polignac number, because 7261261 - 2¹⁹ = 6736973 is a prime.

It is a super-2 number, since 2×7261261² = 105451822620242, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7261231) 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 23 ways as a sum of consecutive naturals, for example, 18970 + ... + 19348.

It is an arithmetic number, because the mean of its divisors is an integer number (389880).

Almost surely, 2^7261261 is an apocalyptic number.

It is an amenable number.

7261261 is a deficient number, since it is larger than the sum of its proper divisors (2095859).

7261261 is a wasteful number, since it uses less digits than its factorization.

7261261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 433 (or 426 counting only the distinct ones).

The product of its digits is 1008, while the sum is 25.

The square root of 7261261 is about 2694.6727073988. The cubic root of 7261261 is about 193.6439869572.

Adding to 7261261 its reverse (1621627), we get a palindrome (8882888).

The spelling of 7261261 in words is "seven million, two hundred sixty-one thousand, two hundred sixty-one".