30662969 has 2 divisors, whose sum is σ = 30662970. Its totient is φ = 30662968.

The previous prime is 30662963. The next prime is 30662987. The reversal of 30662969 is 96926603.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16321600 + 14341369 = 4040^2 + 3787^2 .

It is an emirp because it is prime and its reverse (96926603) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30662969 - 2⁴ = 30662953 is a prime.

It is a super-2 number, since 2×30662969² = 1880435335789922, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (30662963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15331484 + 15331485.

It is an arithmetic number, because the mean of its divisors is an integer number (15331485).

Almost surely, 2^30662969 is an apocalyptic number.

It is an amenable number.

30662969 is a deficient number, since it is larger than the sum of its proper divisors (1).

30662969 is an equidigital number, since it uses as much as digits as its factorization.

30662969 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 104976, while the sum is 41.

The square root of 30662969 is about 5537.4153718138. The cubic root of 30662969 is about 312.9954814987.

The spelling of 30662969 in words is "thirty million, six hundred sixty-two thousand, nine hundred sixty-nine".