772666253 has 2 divisors, whose sum is σ = 772666254. Its totient is φ = 772666252.

The previous prime is 772666249. The next prime is 772666283. The reversal of 772666253 is 352666277.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 696854404 + 75811849 = 26398^2 + 8707^2 .

It is a cyclic number.

It is not a de Polignac number, because 772666253 - 2² = 772666249 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (772666283) 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, 386333126 + 386333127.

It is an arithmetic number, because the mean of its divisors is an integer number (386333127).

Almost surely, 2^772666253 is an apocalyptic number.

It is an amenable number.

772666253 is a deficient number, since it is larger than the sum of its proper divisors (1).

772666253 is an equidigital number, since it uses as much as digits as its factorization.

772666253 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 635040, while the sum is 44.

The square root of 772666253 is about 27796.8748783024. The cubic root of 772666253 is about 917.6223470055.

The spelling of 772666253 in words is "seven hundred seventy-two million, six hundred sixty-six thousand, two hundred fifty-three".