7631261 has 8 divisors (see below), whose sum is σ = 8359200. Its totient is φ = 6909040.

The previous prime is 7631251. The next prime is 7631279. The reversal of 7631261 is 1621367.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7631261 - 2²² = 3436957 is a prime.

It is a super-3 number, since 3×7631261³ (a number of 22 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 7631261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7631231) 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 7 ways as a sum of consecutive naturals, for example, 1670 + ... + 4248.

It is an arithmetic number, because the mean of its divisors is an integer number (1044900).

Almost surely, 2^7631261 is an apocalyptic number.

It is an amenable number.

7631261 is a deficient number, since it is larger than the sum of its proper divisors (727939).

7631261 is a wasteful number, since it uses less digits than its factorization.

7631261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2859.

The product of its digits is 1512, while the sum is 26.

The square root of 7631261 is about 2762.4737102821. The cubic root of 7631261 is about 196.8787163488.

The spelling of 7631261 in words is "seven million, six hundred thirty-one thousand, two hundred sixty-one".