30497669 has 2 divisors, whose sum is σ = 30497670. Its totient is φ = 30497668.

The previous prime is 30497659. The next prime is 30497671. The reversal of 30497669 is 96679403.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29833444 + 664225 = 5462^2 + 815^2 .

It is a cyclic number.

It is not a de Polignac number, because 30497669 - 2¹⁶ = 30432133 is a prime.

It is a super-2 number, since 2×30497669² = 1860215628867122, which contains 22 as substring.

Together with 30497671, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30497659) 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, 15248834 + 15248835.

It is an arithmetic number, because the mean of its divisors is an integer number (15248835).

Almost surely, 2^30497669 is an apocalyptic number.

It is an amenable number.

30497669 is a deficient number, since it is larger than the sum of its proper divisors (1).

30497669 is an equidigital number, since it uses as much as digits as its factorization.

30497669 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 244944, while the sum is 44.

The square root of 30497669 is about 5522.4694657372. The cubic root of 30497669 is about 312.4320287368.

The spelling of 30497669 in words is "thirty million, four hundred ninety-seven thousand, six hundred sixty-nine".