30561601 has 8 divisors (see below), whose sum is σ = 34970240. Its totient is φ = 26163648.

The previous prime is 30561599. The next prime is 30561611. The reversal of 30561601 is 10616503.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 30561601 - 2¹ = 30561599 is a prime.

It is a super-2 number, since 2×30561601² = 1868022911366402, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30561611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4900 + ... + 9226.

It is an arithmetic number, because the mean of its divisors is an integer number (4371280).

Almost surely, 2^30561601 is an apocalyptic number.

It is an amenable number.

30561601 is a deficient number, since it is larger than the sum of its proper divisors (4408639).

30561601 is a wasteful number, since it uses less digits than its factorization.

30561601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5343.

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 30561601 is about 5528.2547879055. The cubic root of 30561601 is about 312.6501925501.

The spelling of 30561601 in words is "thirty million, five hundred sixty-one thousand, six hundred one".