30500773 has 2 divisors, whose sum is σ = 30500774. Its totient is φ = 30500772.

The previous prime is 30500749. The next prime is 30500831. The reversal of 30500773 is 37700503.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16378209 + 14122564 = 4047^2 + 3758^2 .

It is a cyclic number.

It is not a de Polignac number, because 30500773 - 2⁵ = 30500741 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30500473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15250386 + 15250387.

It is an arithmetic number, because the mean of its divisors is an integer number (15250387).

Almost surely, 2^30500773 is an apocalyptic number.

It is an amenable number.

30500773 is a deficient number, since it is larger than the sum of its proper divisors (1).

30500773 is an equidigital number, since it uses as much as digits as its factorization.

30500773 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2205, while the sum is 25.

The square root of 30500773 is about 5522.7504922819. The cubic root of 30500773 is about 312.4426279744.

The spelling of 30500773 in words is "thirty million, five hundred thousand, seven hundred seventy-three".