30650761 has 2 divisors, whose sum is σ = 30650762. Its totient is φ = 30650760.

The previous prime is 30650747. The next prime is 30650777. The reversal of 30650761 is 16705603.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15681600 + 14969161 = 3960^2 + 3869^2 .

It is a cyclic number.

It is not a de Polignac number, because 30650761 - 2¹¹ = 30648713 is a prime.

It is a super-3 number, since 3×30650761³ (a number of 23 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (30650791) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15325380 + 15325381.

It is an arithmetic number, because the mean of its divisors is an integer number (15325381).

Almost surely, 2^30650761 is an apocalyptic number.

It is an amenable number.

30650761 is a deficient number, since it is larger than the sum of its proper divisors (1).

30650761 is an equidigital number, since it uses as much as digits as its factorization.

30650761 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3780, while the sum is 28.

The square root of 30650761 is about 5536.3129427445. The cubic root of 30650761 is about 312.9539378368.

The spelling of 30650761 in words is "thirty million, six hundred fifty thousand, seven hundred sixty-one".