1602021403 has 2 divisors, whose sum is σ = 1602021404. Its totient is φ = 1602021402.

The previous prime is 1602021391. The next prime is 1602021431. The reversal of 1602021403 is 3041202061.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1602021403 - 2²¹ = 1599924251 is a prime.

It is not a weakly prime, because it can be changed into another prime (1602021703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 801010701 + 801010702.

It is an arithmetic number, because the mean of its divisors is an integer number (801010702).

Almost surely, 2^1602021403 is an apocalyptic number.

1602021403 is a deficient number, since it is larger than the sum of its proper divisors (1).

1602021403 is an equidigital number, since it uses as much as digits as its factorization.

1602021403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1602021403 is about 40025.2595619316. The cubic root of 1602021403 is about 1170.0994395236.

Adding to 1602021403 its reverse (3041202061), we get a palindrome (4643223464).

The spelling of 1602021403 in words is "one billion, six hundred two million, twenty-one thousand, four hundred three".