2920762261 has 2 divisors, whose sum is σ = 2920762262. Its totient is φ = 2920762260.

The previous prime is 2920762183. The next prime is 2920762297. The reversal of 2920762261 is 1622670292.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1959390225 + 961372036 = 44265^2 + 31006^2 .

It is a cyclic number.

It is not a de Polignac number, because 2920762261 - 2⁷ = 2920762133 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2920762261.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2920762861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1460381130 + 1460381131.

It is an arithmetic number, because the mean of its divisors is an integer number (1460381131).

Almost surely, 2^2920762261 is an apocalyptic number.

It is an amenable number.

2920762261 is a deficient number, since it is larger than the sum of its proper divisors (1).

2920762261 is an equidigital number, since it uses as much as digits as its factorization.

2920762261 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 2920762261 is about 54044.0770205209. The cubic root of 2920762261 is about 1429.4382622575.

The spelling of 2920762261 in words is "two billion, nine hundred twenty million, seven hundred sixty-two thousand, two hundred sixty-one".