1602103253 has 4 divisors (see below), whose sum is σ = 1602879660. Its totient is φ = 1601326848.

The previous prime is 1602103247. The next prime is 1602103277. The reversal of 1602103253 is 3523012061.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3523012061 = 2851 ⋅1235711.

It can be written as a sum of positive squares in 2 ways, for example, as 668067409 + 934035844 = 25847^2 + 30562^2 .

It is a cyclic number.

It is not a de Polignac number, because 1602103253 - 2²⁰ = 1601054677 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1602103453) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 385100 + ... + 389237.

It is an arithmetic number, because the mean of its divisors is an integer number (400719915).

Almost surely, 2^1602103253 is an apocalyptic number.

It is an amenable number.

1602103253 is a deficient number, since it is larger than the sum of its proper divisors (776407).

1602103253 is an equidigital number, since it uses as much as digits as its factorization.

1602103253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 776406.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 1602103253 is about 40026.2820281874. The cubic root of 1602103253 is about 1170.1193666414.

The spelling of 1602103253 in words is "one billion, six hundred two million, one hundred three thousand, two hundred fifty-three".