30534641 has 4 divisors (see below), whose sum is σ = 30560832. Its totient is φ = 30508452.

The previous prime is 30534629. The next prime is 30534643. The reversal of 30534641 is 14643503.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30534641 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30534641.

It is not an unprimeable number, because it can be changed into a prime (30534643) 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, 11261 + ... + 13706.

It is an arithmetic number, because the mean of its divisors is an integer number (7640208).

Almost surely, 2^30534641 is an apocalyptic number.

It is an amenable number.

30534641 is a deficient number, since it is larger than the sum of its proper divisors (26191).

30534641 is a wasteful number, since it uses less digits than its factorization.

30534641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26190.

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 30534641 is about 5525.8158673629. The cubic root of 30534641 is about 312.5582304288.

The spelling of 30534641 in words is "thirty million, five hundred thirty-four thousand, six hundred forty-one".