30068537 has 2 divisors, whose sum is σ = 30068538. Its totient is φ = 30068536.

The previous prime is 30068497. The next prime is 30068569. The reversal of 30068537 is 73586003.

It is a happy number.

It is an a-pointer prime, because the next prime (30068569) can be obtained adding 30068537 to its sum of digits (32).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29822521 + 246016 = 5461^2 + 496^2 .

It is a cyclic number.

It is not a de Polignac number, because 30068537 - 2⁸ = 30068281 is a prime.

It is equal to p_1861871 and since 30068537 and 1861871 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (30068237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15034268 + 15034269.

It is an arithmetic number, because the mean of its divisors is an integer number (15034269).

Almost surely, 2^30068537 is an apocalyptic number.

It is an amenable number.

30068537 is a deficient number, since it is larger than the sum of its proper divisors (1).

30068537 is an equidigital number, since it uses as much as digits as its factorization.

30068537 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 30068537 is about 5483.4785492423. The cubic root of 30068537 is about 310.9596932906.

The spelling of 30068537 in words is "thirty million, sixty-eight thousand, five hundred thirty-seven".