16497253 has 2 divisors, whose sum is σ = 16497254. Its totient is φ = 16497252.

The previous prime is 16497241. The next prime is 16497277. The reversal of 16497253 is 35279461.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11035684 + 5461569 = 3322^2 + 2337^2 .

It is a cyclic number.

It is not a de Polignac number, because 16497253 - 2¹³ = 16489061 is a prime.

It is a nialpdrome in base 16.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16497353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8248626 + 8248627.

It is an arithmetic number, because the mean of its divisors is an integer number (8248627).

Almost surely, 2^16497253 is an apocalyptic number.

It is an amenable number.

16497253 is a deficient number, since it is larger than the sum of its proper divisors (1).

16497253 is an equidigital number, since it uses as much as digits as its factorization.

16497253 is an evil number, because the sum of its binary digits is even.

The product of its digits is 45360, while the sum is 37.

The square root of 16497253 is about 4061.6810559176. The cubic root of 16497253 is about 254.5680396743.

It can be divided in two parts, 164972 and 53, that added together give a triangular number (165025 = T₅₇₄).

The spelling of 16497253 in words is "sixteen million, four hundred ninety-seven thousand, two hundred fifty-three".