761262217 has 2 divisors, whose sum is σ = 761262218. Its totient is φ = 761262216.

The previous prime is 761262163. The next prime is 761262223. The reversal of 761262217 is 712262167.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 746600976 + 14661241 = 27324^2 + 3829^2 .

It is a cyclic number.

It is not a de Polignac number, because 761262217 - 2¹¹ = 761260169 is a prime.

It is not a weakly prime, because it can be changed into another prime (761262247) 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, 380631108 + 380631109.

It is an arithmetic number, because the mean of its divisors is an integer number (380631109).

Almost surely, 2^761262217 is an apocalyptic number.

It is an amenable number.

761262217 is a deficient number, since it is larger than the sum of its proper divisors (1).

761262217 is an equidigital number, since it uses as much as digits as its factorization.

761262217 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14112, while the sum is 34.

The square root of 761262217 is about 27590.9807183434. The cubic root of 761262217 is about 913.0854558320.

Subtracting from 761262217 its reverse (712262167), we obtain a triangular number (49000050 = T₉₈₉₉).

The spelling of 761262217 in words is "seven hundred sixty-one million, two hundred sixty-two thousand, two hundred seventeen".