30012641 has 4 divisors (see below), whose sum is σ = 30036912. Its totient is φ = 29988372.

The previous prime is 30012637. The next prime is 30012643. The reversal of 30012641 is 14621003.

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: 14621003 = 17 ⋅860059.

It is a cyclic number.

It is not a de Polignac number, because 30012641 - 2² = 30012637 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30012643) 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, 10175 + ... + 12788.

It is an arithmetic number, because the mean of its divisors is an integer number (7509228).

Almost surely, 2^30012641 is an apocalyptic number.

It is an amenable number.

30012641 is a deficient number, since it is larger than the sum of its proper divisors (24271).

30012641 is a wasteful number, since it uses less digits than its factorization.

30012641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24270.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 30012641 is about 5478.3794136588. The cubic root of 30012641 is about 310.7668872737.

Adding to 30012641 its reverse (14621003), we get a palindrome (44633644).

The spelling of 30012641 in words is "thirty million, twelve thousand, six hundred forty-one".