761261 has 2 divisors, whose sum is σ = 761262. Its totient is φ = 761260.

The previous prime is 761251. The next prime is 761263. The reversal of 761261 is 162167.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 688900 + 72361 = 830^2 + 269^2 .

It is a cyclic number.

It is not a de Polignac number, because 761261 - 2¹⁰ = 760237 is a prime.

Together with 761263, it forms a pair of twin primes.

It is a Chen prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (761263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 380630 + 380631.

It is an arithmetic number, because the mean of its divisors is an integer number (380631).

2⁷⁶¹²⁶¹ is an apocalyptic number.

It is an amenable number.

761261 is a deficient number, since it is larger than the sum of its proper divisors (1).

761261 is an equidigital number, since it uses as much as digits as its factorization.

761261 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 504, while the sum is 23.

The square root of 761261 is about 872.5027220588. The cubic root of 761261 is about 91.3084969260.

The spelling of 761261 in words is "seven hundred sixty-one thousand, two hundred sixty-one".