30380542 has 4 divisors (see below), whose sum is σ = 45570816. Its totient is φ = 15190270.

The previous prime is 30380533. The next prime is 30380551. The reversal of 30380542 is 24508303.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24508303 = 523 ⋅46861.

It is an interprime number because it is at equal distance from previous prime (30380533) and next prime (30380551).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7595134 + ... + 7595137.

It is an arithmetic number, because the mean of its divisors is an integer number (11392704).

Almost surely, 2^30380542 is an apocalyptic number.

30380542 is a deficient number, since it is larger than the sum of its proper divisors (15190274).

30380542 is a wasteful number, since it uses less digits than its factorization.

30380542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15190273.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 30380542 is about 5511.8546787810. The cubic root of 30380542 is about 312.0315481467.

Adding to 30380542 its reverse (24508303), we get a palindrome (54888845).

The spelling of 30380542 in words is "thirty million, three hundred eighty thousand, five hundred forty-two".