2915261 has 2 divisors, whose sum is σ = 2915262. Its totient is φ = 2915260.

The previous prime is 2915257. The next prime is 2915281. The reversal of 2915261 is 1625192.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1876900 + 1038361 = 1370^2 + 1019^2 .

It is a cyclic number.

It is not a de Polignac number, because 2915261 - 2² = 2915257 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2915261.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2915201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1457630 + 1457631.

It is an arithmetic number, because the mean of its divisors is an integer number (1457631).

2^2915261 is an apocalyptic number.

It is an amenable number.

2915261 is a deficient number, since it is larger than the sum of its proper divisors (1).

2915261 is an equidigital number, since it uses as much as digits as its factorization.

2915261 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1080, while the sum is 26.

The square root of 2915261 is about 1707.4135410029. The cubic root of 2915261 is about 142.8540248367.

The spelling of 2915261 in words is "two million, nine hundred fifteen thousand, two hundred sixty-one".