30246913 has 4 divisors (see below), whose sum is σ = 31289940. Its totient is φ = 29203888.

The previous prime is 30246907. The next prime is 30246929. The reversal of 30246913 is 31964203.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7091569 + 23155344 = 2663^2 + 4812^2 .

It is a cyclic number.

It is not a de Polignac number, because 30246913 - 2²¹ = 28149761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30246973) 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, 521470 + ... + 521527.

It is an arithmetic number, because the mean of its divisors is an integer number (7822485).

Almost surely, 2^30246913 is an apocalyptic number.

It is an amenable number.

30246913 is a deficient number, since it is larger than the sum of its proper divisors (1043027).

30246913 is a wasteful number, since it uses less digits than its factorization.

30246913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1043026.

The product of its (nonzero) digits is 3888, while the sum is 28.

The square root of 30246913 is about 5499.7193564763. The cubic root of 30246913 is about 311.5733848523.

The spelling of 30246913 in words is "thirty million, two hundred forty-six thousand, nine hundred thirteen".