65573113 has 2 divisors, whose sum is σ = 65573114. Its totient is φ = 65573112.

The previous prime is 65573059. The next prime is 65573117. The reversal of 65573113 is 31137556.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 52591504 + 12981609 = 7252^2 + 3603^2 .

It is a cyclic number.

It is not a de Polignac number, because 65573113 - 2¹³ = 65564921 is a prime.

It is not a weakly prime, because it can be changed into another prime (65573117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32786556 + 32786557.

It is an arithmetic number, because the mean of its divisors is an integer number (32786557).

Almost surely, 2^65573113 is an apocalyptic number.

It is an amenable number.

65573113 is a deficient number, since it is larger than the sum of its proper divisors (1).

65573113 is an equidigital number, since it uses as much as digits as its factorization.

65573113 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9450, while the sum is 31.

The square root of 65573113 is about 8097.7227045633. The cubic root of 65573113 is about 403.2508274802.

The spelling of 65573113 in words is "sixty-five million, five hundred seventy-three thousand, one hundred thirteen".