4300078261 has 2 divisors, whose sum is σ = 4300078262. Its totient is φ = 4300078260.

The previous prime is 4300078259. The next prime is 4300078267. The reversal of 4300078261 is 1628700034.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3980348100 + 319730161 = 63090^2 + 17881^2 .

It is a cyclic number.

It is not a de Polignac number, because 4300078261 - 2¹ = 4300078259 is a prime.

Together with 4300078259, 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 (4300078267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2150039130 + 2150039131.

It is an arithmetic number, because the mean of its divisors is an integer number (2150039131).

Almost surely, 2^4300078261 is an apocalyptic number.

It is an amenable number.

4300078261 is a deficient number, since it is larger than the sum of its proper divisors (1).

4300078261 is an equidigital number, since it uses as much as digits as its factorization.

4300078261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 4300078261 is about 65574.9819748355. The cubic root of 4300078261 is about 1626.1431969543.

Adding to 4300078261 its reverse (1628700034), we get a palindrome (5928778295).

The spelling of 4300078261 in words is "four billion, three hundred million, seventy-eight thousand, two hundred sixty-one".