30499069 has 2 divisors, whose sum is σ = 30499070. Its totient is φ = 30499068.

The previous prime is 30499019. The next prime is 30499087. The reversal of 30499069 is 96099403.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17264025 + 13235044 = 4155^2 + 3638^2 .

It is an emirp because it is prime and its reverse (96099403) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30499069 - 2¹⁹ = 29974781 is a prime.

It is a super-2 number, since 2×30499069² = 1860386419733522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30499019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15249534 + 15249535.

It is an arithmetic number, because the mean of its divisors is an integer number (15249535).

Almost surely, 2^30499069 is an apocalyptic number.

It is an amenable number.

30499069 is a deficient number, since it is larger than the sum of its proper divisors (1).

30499069 is an equidigital number, since it uses as much as digits as its factorization.

30499069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 52488, while the sum is 40.

The square root of 30499069 is about 5522.5962191708. The cubic root of 30499069 is about 312.4368094098.

The spelling of 30499069 in words is "thirty million, four hundred ninety-nine thousand, sixty-nine".