30649241 has 4 divisors (see below), whose sum is σ = 35027712. Its totient is φ = 26270772.

The previous prime is 30649207. The next prime is 30649243. The reversal of 30649241 is 14294603.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 14294603 = 17 ⋅840859.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30649241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30649243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2189225 + ... + 2189238.

It is an arithmetic number, because the mean of its divisors is an integer number (8756928).

Almost surely, 2^30649241 is an apocalyptic number.

It is an amenable number.

30649241 is a deficient number, since it is larger than the sum of its proper divisors (4378471).

30649241 is an equidigital number, since it uses as much as digits as its factorization.

30649241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4378470.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 30649241 is about 5536.1756655655. The cubic root of 30649241 is about 312.9487645248.

The spelling of 30649241 in words is "thirty million, six hundred forty-nine thousand, two hundred forty-one".