30500061 has 8 divisors (see below), whose sum is σ = 41333664. Its totient is φ = 19999920.

The previous prime is 30500059. The next prime is 30500077. The reversal of 30500061 is 16000503.

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

It is not a de Polignac number, because 30500061 - 2¹ = 30500059 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30500061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30500011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83151 + ... + 83516.

It is an arithmetic number, because the mean of its divisors is an integer number (5166708).

Almost surely, 2^30500061 is an apocalyptic number.

It is an amenable number.

30500061 is a deficient number, since it is larger than the sum of its proper divisors (10833603).

30500061 is a wasteful number, since it uses less digits than its factorization.

30500061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166731.

The product of its (nonzero) digits is 90, while the sum is 15.

The square root of 30500061 is about 5522.6860312714. The cubic root of 30500061 is about 312.4401967695.

Adding to 30500061 its reverse (16000503), we get a palindrome (46500564).

The spelling of 30500061 in words is "thirty million, five hundred thousand, sixty-one".