711451261 has 2 divisors, whose sum is σ = 711451262. Its totient is φ = 711451260.

The previous prime is 711451231. The next prime is 711451289. The reversal of 711451261 is 162154117.

It is an a-pointer prime, because the next prime (711451289) can be obtained adding 711451261 to its sum of digits (28).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 497736100 + 213715161 = 22310^2 + 14619^2 .

It is a cyclic number.

It is not a de Polignac number, because 711451261 - 2¹⁹ = 710926973 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 (711451231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 355725630 + 355725631.

It is an arithmetic number, because the mean of its divisors is an integer number (355725631).

Almost surely, 2^711451261 is an apocalyptic number.

It is an amenable number.

711451261 is a deficient number, since it is larger than the sum of its proper divisors (1).

711451261 is an equidigital number, since it uses as much as digits as its factorization.

711451261 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1680, while the sum is 28.

The square root of 711451261 is about 26673.0437145820. The cubic root of 711451261 is about 892.7195613052.

The spelling of 711451261 in words is "seven hundred eleven million, four hundred fifty-one thousand, two hundred sixty-one".