772591 has 2 divisors, whose sum is σ = 772592. Its totient is φ = 772590.

The previous prime is 772573. The next prime is 772619. The reversal of 772591 is 195277.

It is a weak prime.

It is an emirp because it is prime and its reverse (195277) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 772591 - 2¹³ = 764399 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (772571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 386295 + 386296.

It is an arithmetic number, because the mean of its divisors is an integer number (386296).

2⁷⁷²⁵⁹¹ is an apocalyptic number.

772591 is a deficient number, since it is larger than the sum of its proper divisors (1).

772591 is an equidigital number, since it uses as much as digits as its factorization.

772591 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4410, while the sum is 31.

The square root of 772591 is about 878.9715581292. The cubic root of 772591 is about 91.7592555757.

The spelling of 772591 in words is "seven hundred seventy-two thousand, five hundred ninety-one".