2070358261 has 2 divisors, whose sum is σ = 2070358262. Its totient is φ = 2070358260.

The previous prime is 2070358259. The next prime is 2070358289. The reversal of 2070358261 is 1628530702.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1257766225 + 812592036 = 35465^2 + 28506^2 .

It is a cyclic number.

It is not a de Polignac number, because 2070358261 - 2¹ = 2070358259 is a prime.

Together with 2070358259, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2070358211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1035179130 + 1035179131.

It is an arithmetic number, because the mean of its divisors is an integer number (1035179131).

Almost surely, 2^2070358261 is an apocalyptic number.

It is an amenable number.

2070358261 is a deficient number, since it is larger than the sum of its proper divisors (1).

2070358261 is an equidigital number, since it uses as much as digits as its factorization.

2070358261 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 2070358261 is about 45501.1896657659. The cubic root of 2070358261 is about 1274.5254183490.

Adding to 2070358261 its reverse (1628530702), we get a palindrome (3698888963).

It can be divided in two parts, 207035 and 8261, that added together give a square (215296 = 464²).

The spelling of 2070358261 in words is "two billion, seventy million, three hundred fifty-eight thousand, two hundred sixty-one".