30653013 has 4 divisors (see below), whose sum is σ = 40870688. Its totient is φ = 20435340.

The previous prime is 30653011. The next prime is 30653033. The reversal of 30653013 is 31035603.

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 not a de Polignac number, because 30653013 - 2¹ = 30653011 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 (30653011) 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, 5108833 + ... + 5108838.

It is an arithmetic number, because the mean of its divisors is an integer number (10217672).

Almost surely, 2^30653013 is an apocalyptic number.

It is an amenable number.

30653013 is a deficient number, since it is larger than the sum of its proper divisors (10217675).

30653013 is a wasteful number, since it uses less digits than its factorization.

30653013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10217674.

The product of its (nonzero) digits is 810, while the sum is 21.

The square root of 30653013 is about 5536.5163234655. The cubic root of 30653013 is about 312.9616021925.

Adding to 30653013 its reverse (31035603), we get a palindrome (61688616).

The spelling of 30653013 in words is "thirty million, six hundred fifty-three thousand, thirteen".