2601261 has 16 divisors (see below), whose sum is σ = 4150720. Its totient is φ = 1600560.

The previous prime is 2601259. The next prime is 2601281. The reversal of 2601261 is 1621062.

It is a happy number.

2601261 is a `hidden beast` number, since 2 + 601 + 2 + 61 = 666.

It is not a de Polignac number, because 2601261 - 2¹ = 2601259 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 (2601281) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3355 + ... + 4056.

It is an arithmetic number, because the mean of its divisors is an integer number (259420).

2^2601261 is an apocalyptic number.

It is an amenable number.

2601261 is a deficient number, since it is larger than the sum of its proper divisors (1549459).

2601261 is a wasteful number, since it uses less digits than its factorization.

2601261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7433 (or 7427 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 2601261 is about 1612.8425217609. The cubic root of 2601261 is about 137.5291133945.

It can be divided in two parts, 260 and 1261, that added together give a square (1521 = 39²).

The spelling of 2601261 in words is "two million, six hundred one thousand, two hundred sixty-one".