30352493 has 4 divisors (see below), whose sum is σ = 30522240. Its totient is φ = 30182748.

The previous prime is 30352477. The next prime is 30352499. The reversal of 30352493 is 39425303.

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 30352493 - 2⁴ = 30352477 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 (30352499) 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, 84605 + ... + 84962.

It is an arithmetic number, because the mean of its divisors is an integer number (7630560).

Almost surely, 2^30352493 is an apocalyptic number.

It is an amenable number.

30352493 is a deficient number, since it is larger than the sum of its proper divisors (169747).

30352493 is a wasteful number, since it uses less digits than its factorization.

30352493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169746.

The product of its (nonzero) digits is 9720, while the sum is 29.

The square root of 30352493 is about 5509.3096663738. The cubic root of 30352493 is about 311.9354903062.

Adding to 30352493 its reverse (39425303), we get a palindrome (69777796).

The spelling of 30352493 in words is "thirty million, three hundred fifty-two thousand, four hundred ninety-three".