30140629 has 2 divisors, whose sum is σ = 30140630. Its totient is φ = 30140628.

The previous prime is 30140569. The next prime is 30140639. The reversal of 30140629 is 92604103.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30140100 + 529 = 5490^2 + 23^2 .

It is a cyclic number.

It is not a de Polignac number, because 30140629 - 2⁷ = 30140501 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30140639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15070314 + 15070315.

It is an arithmetic number, because the mean of its divisors is an integer number (15070315).

Almost surely, 2^30140629 is an apocalyptic number.

It is an amenable number.

30140629 is a deficient number, since it is larger than the sum of its proper divisors (1).

30140629 is an equidigital number, since it uses as much as digits as its factorization.

30140629 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 30140629 is about 5490.0481782950. The cubic root of 30140629 is about 311.2080128091.

The spelling of 30140629 in words is "thirty million, one hundred forty thousand, six hundred twenty-nine".