30246561 has 32 divisors (see below), whose sum is σ = 46569600. Its totient is φ = 19388160.

The previous prime is 30246551. The next prime is 30246577. The reversal of 30246561 is 16564203.

30246561 is a `hidden beast` number, since 3 + 0 + 2 + 4 + 656 + 1 = 666.

It is not a de Polignac number, because 30246561 - 2¹⁸ = 29984417 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (30246511) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 98370 + ... + 98676.

It is an arithmetic number, because the mean of its divisors is an integer number (1455300).

Almost surely, 2^30246561 is an apocalyptic number.

It is an amenable number.

30246561 is a deficient number, since it is larger than the sum of its proper divisors (16323039).

30246561 is a wasteful number, since it uses less digits than its factorization.

30246561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 446 (or 440 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 30246561 is about 5499.6873547503. The cubic root of 30246561 is about 311.5721761972.

The spelling of 30246561 in words is "thirty million, two hundred forty-six thousand, five hundred sixty-one".