30965629 has 2 divisors, whose sum is σ = 30965630. Its totient is φ = 30965628.

The previous prime is 30965617. The next prime is 30965639. The reversal of 30965629 is 92656903.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18020025 + 12945604 = 4245^2 + 3598^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30965629 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 30965591 and 30965600.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30965639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15482814 + 15482815.

It is an arithmetic number, because the mean of its divisors is an integer number (15482815).

Almost surely, 2^30965629 is an apocalyptic number.

It is an amenable number.

30965629 is a deficient number, since it is larger than the sum of its proper divisors (1).

30965629 is an equidigital number, since it uses as much as digits as its factorization.

30965629 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 87480, while the sum is 40.

The square root of 30965629 is about 5564.6768998748. The cubic root of 30965629 is about 314.0219229558.

The spelling of 30965629 in words is "thirty million, nine hundred sixty-five thousand, six hundred twenty-nine".