16552303 has 2 divisors, whose sum is σ = 16552304. Its totient is φ = 16552302.

The previous prime is 16552267. The next prime is 16552313. The reversal of 16552303 is 30325561.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16552303 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16552313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8276151 + 8276152.

It is an arithmetic number, because the mean of its divisors is an integer number (8276152).

Almost surely, 2^16552303 is an apocalyptic number.

16552303 is a deficient number, since it is larger than the sum of its proper divisors (1).

16552303 is an equidigital number, since it uses as much as digits as its factorization.

16552303 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2700, while the sum is 25.

The square root of 16552303 is about 4068.4521626781. The cubic root of 16552303 is about 254.8508829571.

Adding to 16552303 its reverse (30325561), we get a palindrome (46877864).

The spelling of 16552303 in words is "sixteen million, five hundred fifty-two thousand, three hundred three".