30641137 has 2 divisors, whose sum is σ = 30641138. Its totient is φ = 30641136.

The previous prime is 30641111. The next prime is 30641147. The reversal of 30641137 is 73114603.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28901376 + 1739761 = 5376^2 + 1319^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30641137 is a prime.

It is not a weakly prime, because it can be changed into another prime (30641147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15320568 + 15320569.

It is an arithmetic number, because the mean of its divisors is an integer number (15320569).

Almost surely, 2^30641137 is an apocalyptic number.

It is an amenable number.

30641137 is a deficient number, since it is larger than the sum of its proper divisors (1).

30641137 is an equidigital number, since it uses as much as digits as its factorization.

30641137 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1512, while the sum is 25.

The square root of 30641137 is about 5535.4437039862. The cubic root of 30641137 is about 312.9211797161.

The spelling of 30641137 in words is "thirty million, six hundred forty-one thousand, one hundred thirty-seven".