16573013 has 2 divisors, whose sum is σ = 16573014. Its totient is φ = 16573012.

The previous prime is 16572967. The next prime is 16573049. The reversal of 16573013 is 31037561.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12974404 + 3598609 = 3602^2 + 1897^2 .

It is a cyclic number.

It is not a de Polignac number, because 16573013 - 2⁸ = 16572757 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16573213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8286506 + 8286507.

It is an arithmetic number, because the mean of its divisors is an integer number (8286507).

Almost surely, 2^16573013 is an apocalyptic number.

It is an amenable number.

16573013 is a deficient number, since it is larger than the sum of its proper divisors (1).

16573013 is an equidigital number, since it uses as much as digits as its factorization.

16573013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1890, while the sum is 26.

The square root of 16573013 is about 4070.9965610401. The cubic root of 16573013 is about 254.9571272277.

The spelling of 16573013 in words is "sixteen million, five hundred seventy-three thousand, thirteen".