770533061 has 2 divisors, whose sum is σ = 770533062. Its totient is φ = 770533060.

The previous prime is 770533037. The next prime is 770533063. The reversal of 770533061 is 160335077.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 707028100 + 63504961 = 26590^2 + 7969^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-770533061 is a prime.

It is a Sophie Germain prime.

Together with 770533063, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (770533063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 385266530 + 385266531.

It is an arithmetic number, because the mean of its divisors is an integer number (385266531).

Almost surely, 2^770533061 is an apocalyptic number.

It is an amenable number.

770533061 is a deficient number, since it is larger than the sum of its proper divisors (1).

770533061 is an equidigital number, since it uses as much as digits as its factorization.

770533061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13230, while the sum is 32.

The square root of 770533061 is about 27758.4772817242. The cubic root of 770533061 is about 916.7771054745. Note that the first 3 decimals are identical.

The spelling of 770533061 in words is "seven hundred seventy million, five hundred thirty-three thousand, sixty-one".