30501005 has 4 divisors (see below), whose sum is σ = 36601212. Its totient is φ = 24400800.

The previous prime is 30501001. The next prime is 30501109. The reversal of 30501005 is 50010503.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8099716 + 22401289 = 2846^2 + 4733^2 .

It is not a de Polignac number, because 30501005 - 2² = 30501001 is a prime.

It is a super-2 number, since 2×30501005² = 1860622612020050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30501001) 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, 3050096 + ... + 3050105.

It is an arithmetic number, because the mean of its divisors is an integer number (9150303).

Almost surely, 2^30501005 is an apocalyptic number.

It is an amenable number.

30501005 is a deficient number, since it is larger than the sum of its proper divisors (6100207).

30501005 is an equidigital number, since it uses as much as digits as its factorization.

30501005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6100206.

The product of its (nonzero) digits is 75, while the sum is 14.

The square root of 30501005 is about 5522.7714962689. The cubic root of 30501005 is about 312.4434201565.

Adding to 30501005 its reverse (50010503), we get a palindrome (80511508).

The spelling of 30501005 in words is "thirty million, five hundred one thousand, five".