2630261 has 8 divisors (see below), whose sum is σ = 2709504. Its totient is φ = 2552080.

The previous prime is 2630239. The next prime is 2630281. The reversal of 2630261 is 1620362.

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 2630261 - 2⁶ = 2630197 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 (2630281) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8831 + ... + 9123.

It is an arithmetic number, because the mean of its divisors is an integer number (338688).

2^2630261 is an apocalyptic number.

It is an amenable number.

2630261 is a deficient number, since it is larger than the sum of its proper divisors (79243).

2630261 is a wasteful number, since it uses less digits than its factorization.

2630261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 531.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 2630261 is about 1621.8079417736. The cubic root of 2630261 is about 138.0383041469.

The spelling of 2630261 in words is "two million, six hundred thirty thousand, two hundred sixty-one".