2912261 has 16 divisors (see below), whose sum is σ = 3345408. Its totient is φ = 2511600.

The previous prime is 2912257. The next prime is 2912269. The reversal of 2912261 is 1622192.

It is a cyclic number.

It is not a de Polignac number, because 2912261 - 2² = 2912257 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2912269) 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, 22166 + ... + 22296.

It is an arithmetic number, because the mean of its divisors is an integer number (209088).

2^2912261 is an apocalyptic number.

It is an amenable number.

2912261 is a deficient number, since it is larger than the sum of its proper divisors (433147).

2912261 is a wasteful number, since it uses less digits than its factorization.

2912261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232.

The product of its digits is 432, while the sum is 23.

The square root of 2912261 is about 1706.5347930822. The cubic root of 2912261 is about 142.8050058792.

It can be divided in two parts, 291 and 2261, that added together give a palindrome (2552).

The spelling of 2912261 in words is "two million, nine hundred twelve thousand, two hundred sixty-one".