802131433 has 2 divisors, whose sum is σ = 802131434. Its totient is φ = 802131432.

The previous prime is 802131397. The next prime is 802131443. The reversal of 802131433 is 334131208.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 718079209 + 84052224 = 26797^2 + 9168^2 .

It is a cyclic number.

It is not a de Polignac number, because 802131433 - 2¹³ = 802123241 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 802131398 and 802131407.

It is not a weakly prime, because it can be changed into another prime (802131443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 401065716 + 401065717.

It is an arithmetic number, because the mean of its divisors is an integer number (401065717).

Almost surely, 2^802131433 is an apocalyptic number.

It is an amenable number.

802131433 is a deficient number, since it is larger than the sum of its proper divisors (1).

802131433 is an equidigital number, since it uses as much as digits as its factorization.

802131433 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 802131433 is about 28321.9249522344. The cubic root of 802131433 is about 929.1414719259.

The spelling of 802131433 in words is "eight hundred two million, one hundred thirty-one thousand, four hundred thirty-three".