16552313 has 2 divisors, whose sum is σ = 16552314. Its totient is φ = 16552312.

The previous prime is 16552303. The next prime is 16552321. The reversal of 16552313 is 31325561.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8779369 + 7772944 = 2963^2 + 2788^2 .

It is a cyclic number.

It is not a de Polignac number, because 16552313 - 2⁸ = 16552057 is a prime.

It is not a weakly prime, because it can be changed into another prime (16552303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8276156 + 8276157.

It is an arithmetic number, because the mean of its divisors is an integer number (8276157).

Almost surely, 2^16552313 is an apocalyptic number.

It is an amenable number.

16552313 is a deficient number, since it is larger than the sum of its proper divisors (1).

16552313 is an equidigital number, since it uses as much as digits as its factorization.

16552313 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2700, while the sum is 26.

The square root of 16552313 is about 4068.4533916465. The cubic root of 16552313 is about 254.8509342794.

Adding to 16552313 its reverse (31325561), we get a palindrome (47877874).

The spelling of 16552313 in words is "sixteen million, five hundred fifty-two thousand, three hundred thirteen".