1602537563 has 4 divisors (see below), whose sum is σ = 1748222808. Its totient is φ = 1456852320.

The previous prime is 1602537499. The next prime is 1602537569. The reversal of 1602537563 is 3657352061.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1602537563 - 2⁶ = 1602537499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1602537569) 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, 72842606 + ... + 72842627.

It is an arithmetic number, because the mean of its divisors is an integer number (437055702).

Almost surely, 2^1602537563 is an apocalyptic number.

1602537563 is a deficient number, since it is larger than the sum of its proper divisors (145685245).

1602537563 is a wasteful number, since it uses less digits than its factorization.

1602537563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145685244.

The product of its (nonzero) digits is 113400, while the sum is 38.

The square root of 1602537563 is about 40031.7069708500. The cubic root of 1602537563 is about 1170.2250919594.

The spelling of 1602537563 in words is "one billion, six hundred two million, five hundred thirty-seven thousand, five hundred sixty-three".