16245653 has 2 divisors, whose sum is σ = 16245654. Its totient is φ = 16245652.

The previous prime is 16245641. The next prime is 16245661. The reversal of 16245653 is 35654261.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16176484 + 69169 = 4022^2 + 263^2 .

It is a cyclic number.

It is not a de Polignac number, because 16245653 - 2¹⁰ = 16244629 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16245623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8122826 + 8122827.

It is an arithmetic number, because the mean of its divisors is an integer number (8122827).

Almost surely, 2^16245653 is an apocalyptic number.

It is an amenable number.

16245653 is a deficient number, since it is larger than the sum of its proper divisors (1).

16245653 is an equidigital number, since it uses as much as digits as its factorization.

16245653 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21600, while the sum is 32.

The square root of 16245653 is about 4030.5896590946. The cubic root of 16245653 is about 253.2672632796.

It can be divided in two parts, 162456 and 53, that multiplied together give a palindrome (8610168).

The spelling of 16245653 in words is "sixteen million, two hundred forty-five thousand, six hundred fifty-three".