2261757461 has 2 divisors, whose sum is σ = 2261757462. Its totient is φ = 2261757460.

The previous prime is 2261757431. The next prime is 2261757517. The reversal of 2261757461 is 1647571622.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2187900625 + 73856836 = 46775^2 + 8594^2 .

It is a cyclic number.

It is not a de Polignac number, because 2261757461 - 2¹⁰ = 2261756437 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2261757431) 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, 1130878730 + 1130878731.

It is an arithmetic number, because the mean of its divisors is an integer number (1130878731).

Almost surely, 2^2261757461 is an apocalyptic number.

It is an amenable number.

2261757461 is a deficient number, since it is larger than the sum of its proper divisors (1).

2261757461 is an equidigital number, since it uses as much as digits as its factorization.

2261757461 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 141120, while the sum is 41.

The square root of 2261757461 is about 47557.9379388972. The cubic root of 2261757461 is about 1312.6491969594.

The spelling of 2261757461 in words is "two billion, two hundred sixty-one million, seven hundred fifty-seven thousand, four hundred sixty-one".