30649301 has 2 divisors, whose sum is σ = 30649302. Its totient is φ = 30649300.

The previous prime is 30649279. The next prime is 30649303. The reversal of 30649301 is 10394603.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30195025 + 454276 = 5495^2 + 674^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30649301 is a prime.

Together with 30649303, 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 (30649303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15324650 + 15324651.

It is an arithmetic number, because the mean of its divisors is an integer number (15324651).

Almost surely, 2^30649301 is an apocalyptic number.

It is an amenable number.

30649301 is a deficient number, since it is larger than the sum of its proper divisors (1).

30649301 is an equidigital number, since it uses as much as digits as its factorization.

30649301 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 26.

The square root of 30649301 is about 5536.1810844661. The cubic root of 30649301 is about 312.9489687377.

The spelling of 30649301 in words is "thirty million, six hundred forty-nine thousand, three hundred one".