802067491 has 2 divisors, whose sum is σ = 802067492. Its totient is φ = 802067490.

The previous prime is 802067449. The next prime is 802067503. The reversal of 802067491 is 194760208.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 802067491 - 2¹⁹ = 801543203 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 802067491.

It is not a weakly prime, because it can be changed into another prime (802067411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 401033745 + 401033746.

It is an arithmetic number, because the mean of its divisors is an integer number (401033746).

Almost surely, 2^802067491 is an apocalyptic number.

802067491 is a deficient number, since it is larger than the sum of its proper divisors (1).

802067491 is an equidigital number, since it uses as much as digits as its factorization.

802067491 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 802067491 is about 28320.7960869747. The cubic root of 802067491 is about 929.1167823966.

The spelling of 802067491 in words is "eight hundred two million, sixty-seven thousand, four hundred ninety-one".