30217052573 has 2 divisors, whose sum is σ = 30217052574. Its totient is φ = 30217052572.

The previous prime is 30217052501. The next prime is 30217052641. The reversal of 30217052573 is 37525071203.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28580607364 + 1636445209 = 169058^2 + 40453^2 .

It is a cyclic number.

It is not a de Polignac number, because 30217052573 - 2⁸ = 30217052317 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30217054573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15108526286 + 15108526287.

It is an arithmetic number, because the mean of its divisors is an integer number (15108526287).

Almost surely, 2^30217052573 is an apocalyptic number.

It is an amenable number.

30217052573 is a deficient number, since it is larger than the sum of its proper divisors (1).

30217052573 is an equidigital number, since it uses as much as digits as its factorization.

30217052573 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 44100, while the sum is 35.

The spelling of 30217052573 in words is "thirty billion, two hundred seventeen million, fifty-two thousand, five hundred seventy-three".