30424561 has 12 divisors (see below), whose sum is σ = 32300352. Its totient is φ = 28602464.

The previous prime is 30424553. The next prime is 30424579. The reversal of 30424561 is 16542403.

It is not a de Polignac number, because 30424561 - 2³ = 30424553 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30424531) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 182100 + ... + 182266.

It is an arithmetic number, because the mean of its divisors is an integer number (2691696).

Almost surely, 2^30424561 is an apocalyptic number.

It is an amenable number.

30424561 is a deficient number, since it is larger than the sum of its proper divisors (1875791).

30424561 is an equidigital number, since it uses as much as digits as its factorization.

30424561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 368 (or 279 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 30424561 is about 5515.8463539152. The cubic root of 30424561 is about 312.1821784225.

Adding to 30424561 its reverse (16542403), we get a palindrome (46966964).

The spelling of 30424561 in words is "thirty million, four hundred twenty-four thousand, five hundred sixty-one".