1602301997 has 8 divisors (see below), whose sum is σ = 1663723800. Its totient is φ = 1541291584.

The previous prime is 1602301993. The next prime is 1602302021. The reversal of 1602301997 is 7991032061.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 20967241 + 1581334756 = 4579^2 + 39766^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1602301997 - 2² = 1602301993 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1602301997.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1602301993) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94898 + ... + 110499.

It is an arithmetic number, because the mean of its divisors is an integer number (207965475).

Almost surely, 2^1602301997 is an apocalyptic number.

It is an amenable number.

1602301997 is a deficient number, since it is larger than the sum of its proper divisors (61421803).

1602301997 is a wasteful number, since it uses less digits than its factorization.

1602301997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205695.

The product of its (nonzero) digits is 20412, while the sum is 38.

The square root of 1602301997 is about 40028.7646199580. The cubic root of 1602301997 is about 1170.1677498293.

The spelling of 1602301997 in words is "one billion, six hundred two million, three hundred one thousand, nine hundred ninety-seven".