30738901 has 2 divisors, whose sum is σ = 30738902. Its totient is φ = 30738900.

The previous prime is 30738881. The next prime is 30738943. The reversal of 30738901 is 10983703.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26112100 + 4626801 = 5110^2 + 2151^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30738901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30730901) 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, 15369450 + 15369451.

It is an arithmetic number, because the mean of its divisors is an integer number (15369451).

Almost surely, 2^30738901 is an apocalyptic number.

It is an amenable number.

30738901 is a deficient number, since it is larger than the sum of its proper divisors (1).

30738901 is an equidigital number, since it uses as much as digits as its factorization.

30738901 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 30738901 is about 5544.2673997563. The cubic root of 30738901 is about 313.2536298204.

The spelling of 30738901 in words is "thirty million, seven hundred thirty-eight thousand, nine hundred one".