30495967 has 2 divisors, whose sum is σ = 30495968. Its totient is φ = 30495966.

The previous prime is 30495961. The next prime is 30496027. The reversal of 30495967 is 76959403.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 30495967 - 2¹¹ = 30493919 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30495961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15247983 + 15247984.

It is an arithmetic number, because the mean of its divisors is an integer number (15247984).

Almost surely, 2^30495967 is an apocalyptic number.

30495967 is a deficient number, since it is larger than the sum of its proper divisors (1).

30495967 is an equidigital number, since it uses as much as digits as its factorization.

30495967 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 204120, while the sum is 43.

The square root of 30495967 is about 5522.3153658588. The cubic root of 30495967 is about 312.4262166073.

The spelling of 30495967 in words is "thirty million, four hundred ninety-five thousand, nine hundred sixty-seven".