771052141 has 2 divisors, whose sum is σ = 771052142. Its totient is φ = 771052140.

The previous prime is 771052111. The next prime is 771052151. The reversal of 771052141 is 141250177.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 597998116 + 173054025 = 24454^2 + 13155^2 .

It is a cyclic number.

It is not a de Polignac number, because 771052141 - 2²³ = 762663533 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (771052111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 385526070 + 385526071.

It is an arithmetic number, because the mean of its divisors is an integer number (385526071).

Almost surely, 2^771052141 is an apocalyptic number.

It is an amenable number.

771052141 is a deficient number, since it is larger than the sum of its proper divisors (1).

771052141 is an equidigital number, since it uses as much as digits as its factorization.

771052141 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1960, while the sum is 28.

The square root of 771052141 is about 27767.8256440795. The cubic root of 771052141 is about 916.9829256886.

The spelling of 771052141 in words is "seven hundred seventy-one million, fifty-two thousand, one hundred forty-one".