1602502081 has 2 divisors, whose sum is σ = 1602502082. Its totient is φ = 1602502080.

The previous prime is 1602502037. The next prime is 1602502151. The reversal of 1602502081 is 1802052061.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1406250000 + 196252081 = 37500^2 + 14009^2 .

It is a cyclic number.

It is not a de Polignac number, because 1602502081 - 2¹³ = 1602493889 is a prime.

It is a super-2 number, since 2×1602502081² = 5136025839218661122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1602502001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 801251040 + 801251041.

It is an arithmetic number, because the mean of its divisors is an integer number (801251041).

Almost surely, 2^1602502081 is an apocalyptic number.

It is an amenable number.

1602502081 is a deficient number, since it is larger than the sum of its proper divisors (1).

1602502081 is an equidigital number, since it uses as much as digits as its factorization.

1602502081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 960, while the sum is 25.

The square root of 1602502081 is about 40031.2637946893. The cubic root of 1602502081 is about 1170.2164551918.

The spelling of 1602502081 in words is "one billion, six hundred two million, five hundred two thousand, eighty-one".