2957261 has 2 divisors, whose sum is σ = 2957262. Its totient is φ = 2957260.

The previous prime is 2957243. The next prime is 2957267. The reversal of 2957261 is 1627592.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1562500 + 1394761 = 1250^2 + 1181^2 .

It is a cyclic number.

It is not a de Polignac number, because 2957261 - 2⁶ = 2957197 is a prime.

It is a Chen prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2957267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1478630 + 1478631.

It is an arithmetic number, because the mean of its divisors is an integer number (1478631).

2^2957261 is an apocalyptic number.

It is an amenable number.

2957261 is a deficient number, since it is larger than the sum of its proper divisors (1).

2957261 is an equidigital number, since it uses as much as digits as its factorization.

2957261 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7560, while the sum is 32.

The square root of 2957261 is about 1719.6688634734. The cubic root of 2957261 is about 143.5367863700.

The spelling of 2957261 in words is "two million, nine hundred fifty-seven thousand, two hundred sixty-one".