2257020307 has 2 divisors, whose sum is σ = 2257020308. Its totient is φ = 2257020306.

The previous prime is 2257020289. The next prime is 2257020341. The reversal of 2257020307 is 7030207522.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2257020307 - 2¹⁹ = 2256496019 is a prime.

It is not a weakly prime, because it can be changed into another prime (2257020407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1128510153 + 1128510154.

It is an arithmetic number, because the mean of its divisors is an integer number (1128510154).

Almost surely, 2^2257020307 is an apocalyptic number.

2257020307 is a deficient number, since it is larger than the sum of its proper divisors (1).

2257020307 is an equidigital number, since it uses as much as digits as its factorization.

2257020307 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5880, while the sum is 28.

The square root of 2257020307 is about 47508.1078027740. The cubic root of 2257020307 is about 1311.7321272580.

Adding to 2257020307 its reverse (7030207522), we get a palindrome (9287227829).

The spelling of 2257020307 in words is "two billion, two hundred fifty-seven million, twenty thousand, three hundred seven".