30506701 has 2 divisors, whose sum is σ = 30506702. Its totient is φ = 30506700.

The previous prime is 30506699. The next prime is 30506731. The reversal of 30506701 is 10760503.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15413476 + 15093225 = 3926^2 + 3885^2 .

It is a cyclic number.

It is not a de Polignac number, because 30506701 - 2¹ = 30506699 is a prime.

Together with 30506699, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30506731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15253350 + 15253351.

It is an arithmetic number, because the mean of its divisors is an integer number (15253351).

Almost surely, 2^30506701 is an apocalyptic number.

It is an amenable number.

30506701 is a deficient number, since it is larger than the sum of its proper divisors (1).

30506701 is an equidigital number, since it uses as much as digits as its factorization.

30506701 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 630, while the sum is 22.

The square root of 30506701 is about 5523.2871553089. The cubic root of 30506701 is about 312.4628683348.

The spelling of 30506701 in words is "thirty million, five hundred six thousand, seven hundred one".