30193529 has 2 divisors, whose sum is σ = 30193530. Its totient is φ = 30193528.

The previous prime is 30193477. The next prime is 30193561. The reversal of 30193529 is 92539103.

It is an a-pointer prime, because the next prime (30193561) can be obtained adding 30193529 to its sum of digits (32).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29724304 + 469225 = 5452^2 + 685^2 .

It is a cyclic number.

It is not a de Polignac number, because 30193529 - 2²⁴ = 13416313 is a prime.

It is equal to p_1869143 and since 30193529 and 1869143 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 30193495 and 30193504.

It is not a weakly prime, because it can be changed into another prime (30193829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15096764 + 15096765.

It is an arithmetic number, because the mean of its divisors is an integer number (15096765).

Almost surely, 2^30193529 is an apocalyptic number.

It is an amenable number.

30193529 is a deficient number, since it is larger than the sum of its proper divisors (1).

30193529 is an equidigital number, since it uses as much as digits as its factorization.

30193529 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7290, while the sum is 32.

The square root of 30193529 is about 5494.8638745650. The cubic root of 30193529 is about 311.3899740844.

The spelling of 30193529 in words is "thirty million, one hundred ninety-three thousand, five hundred twenty-nine".