30040501 has 4 divisors (see below), whose sum is σ = 31621600. Its totient is φ = 28459404.

The previous prime is 30040481. The next prime is 30040511. The reversal of 30040501 is 10504003.

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 not a de Polignac number, because 30040501 - 2⁵ = 30040469 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 (30040511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 790521 + ... + 790558.

It is an arithmetic number, because the mean of its divisors is an integer number (7905400).

Almost surely, 2^30040501 is an apocalyptic number.

It is an amenable number.

30040501 is a deficient number, since it is larger than the sum of its proper divisors (1581099).

30040501 is a wasteful number, since it uses less digits than its factorization.

30040501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1581098.

The product of its (nonzero) digits is 60, while the sum is 13.

The square root of 30040501 is about 5480.9215466014. The cubic root of 30040501 is about 310.8630166332.

Adding to 30040501 its reverse (10504003), we get a palindrome (40544504).

The spelling of 30040501 in words is "thirty million, forty thousand, five hundred one".