16225523 has 2 divisors, whose sum is σ = 16225524. Its totient is φ = 16225522.

The previous prime is 16225519. The next prime is 16225543. The reversal of 16225523 is 32552261.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 16225523 - 2² = 16225519 is a prime.

It is a super-3 number, since 3×16225523³ (a number of 23 digits) contains 333 as substring.

It is equal to p_1044674 and since 16225523 and 1044674 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 16225492 and 16225501.

It is not a weakly prime, because it can be changed into another prime (16225543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8112761 + 8112762.

It is an arithmetic number, because the mean of its divisors is an integer number (8112762).

Almost surely, 2^16225523 is an apocalyptic number.

16225523 is a deficient number, since it is larger than the sum of its proper divisors (1).

16225523 is an equidigital number, since it uses as much as digits as its factorization.

16225523 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3600, while the sum is 26.

The square root of 16225523 is about 4028.0917318254. The cubic root of 16225523 is about 253.1626121622.

Adding to 16225523 its reverse (32552261), we get a palindrome (48777784).

The spelling of 16225523 in words is "sixteen million, two hundred twenty-five thousand, five hundred twenty-three".