2137261 has 8 divisors (see below), whose sum is σ = 2467584. Its totient is φ = 1813200.

The previous prime is 2137259. The next prime is 2137273. The reversal of 2137261 is 1627312.

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 2137261 - 2¹ = 2137259 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2137211) 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, 805 + ... + 2218.

It is an arithmetic number, because the mean of its divisors is an integer number (308448).

2^2137261 is an apocalyptic number.

It is an amenable number.

2137261 is a deficient number, since it is larger than the sum of its proper divisors (330323).

2137261 is a wasteful number, since it uses less digits than its factorization.

2137261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3131.

The product of its digits is 504, while the sum is 22.

The square root of 2137261 is about 1461.9374131610. The cubic root of 2137261 is about 128.8108720231.

The spelling of 2137261 in words is "two million, one hundred thirty-seven thousand, two hundred sixty-one".