16572349 has 2 divisors, whose sum is σ = 16572350. Its totient is φ = 16572348.

The previous prime is 16572299. The next prime is 16572359. The reversal of 16572349 is 94327561.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10725625 + 5846724 = 3275^2 + 2418^2 .

It is a cyclic number.

It is not a de Polignac number, because 16572349 - 2⁷ = 16572221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16572359) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8286174 + 8286175.

It is an arithmetic number, because the mean of its divisors is an integer number (8286175).

Almost surely, 2^16572349 is an apocalyptic number.

It is an amenable number.

16572349 is a deficient number, since it is larger than the sum of its proper divisors (1).

16572349 is an equidigital number, since it uses as much as digits as its factorization.

16572349 is an odious number, because the sum of its binary digits is odd.

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

The square root of 16572349 is about 4070.9150077102. The cubic root of 16572349 is about 254.9537222184.

The spelling of 16572349 in words is "sixteen million, five hundred seventy-two thousand, three hundred forty-nine".