1602143197 has 2 divisors, whose sum is σ = 1602143198. Its totient is φ = 1602143196.

The previous prime is 1602143143. The next prime is 1602143233. The reversal of 1602143197 is 7913412061.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 970073316 + 632069881 = 31146^2 + 25141^2 .

It is a cyclic number.

It is not a de Polignac number, because 1602143197 - 2¹⁵ = 1602110429 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1602143297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 801071598 + 801071599.

It is an arithmetic number, because the mean of its divisors is an integer number (801071599).

Almost surely, 2^1602143197 is an apocalyptic number.

It is an amenable number.

1602143197 is a deficient number, since it is larger than the sum of its proper divisors (1).

1602143197 is an equidigital number, since it uses as much as digits as its factorization.

1602143197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 1602143197 is about 40026.7809972273. The cubic root of 1602143197 is about 1170.1290911207.

The spelling of 1602143197 in words is "one billion, six hundred two million, one hundred forty-three thousand, one hundred ninety-seven".