16242523 has 16 divisors (see below), whose sum is σ = 18662400. Its totient is φ = 13998880.

The previous prime is 16242491. The next prime is 16242529. The reversal of 16242523 is 32524261.

It is not a de Polignac number, because 16242523 - 2⁵ = 16242491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16242529) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18390 + ... + 19252.

It is an arithmetic number, because the mean of its divisors is an integer number (1166400).

Almost surely, 2^16242523 is an apocalyptic number.

16242523 is a deficient number, since it is larger than the sum of its proper divisors (2419877).

16242523 is a wasteful number, since it uses less digits than its factorization.

16242523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 962.

The product of its digits is 2880, while the sum is 25.

The square root of 16242523 is about 4030.2013597338. The cubic root of 16242523 is about 253.2509968267.

Adding to 16242523 its reverse (32524261), we get a palindrome (48766784).

The spelling of 16242523 in words is "sixteen million, two hundred forty-two thousand, five hundred twenty-three".