16261523 has 2 divisors, whose sum is σ = 16261524. Its totient is φ = 16261522.

The previous prime is 16261507. The next prime is 16261541. The reversal of 16261523 is 32516261.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 16261523 - 2⁴ = 16261507 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16261492 and 16261501.

It is not a weakly prime, because it can be changed into another prime (16261573) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8130761 + 8130762.

It is an arithmetic number, because the mean of its divisors is an integer number (8130762).

Almost surely, 2^16261523 is an apocalyptic number.

16261523 is a deficient number, since it is larger than the sum of its proper divisors (1).

16261523 is an equidigital number, since it uses as much as digits as its factorization.

16261523 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2160, while the sum is 26.

The square root of 16261523 is about 4032.5578731123. The cubic root of 16261523 is about 253.3497067364.

Adding to 16261523 its reverse (32516261), we get a palindrome (48777784).

The spelling of 16261523 in words is "sixteen million, two hundred sixty-one thousand, five hundred twenty-three".