761591 has 2 divisors, whose sum is σ = 761592. Its totient is φ = 761590.

The previous prime is 761567. The next prime is 761597. The reversal of 761591 is 195167.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 761591 - 2¹⁰ = 760567 is a prime.

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 (761597) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 380795 + 380796.

It is an arithmetic number, because the mean of its divisors is an integer number (380796).

2⁷⁶¹⁵⁹¹ is an apocalyptic number.

761591 is a deficient number, since it is larger than the sum of its proper divisors (1).

761591 is an equidigital number, since it uses as much as digits as its factorization.

761591 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1890, while the sum is 29.

The square root of 761591 is about 872.6918127266. The cubic root of 761591 is about 91.3216888322.

The spelling of 761591 in words is "seven hundred sixty-one thousand, five hundred ninety-one".