30542997 has 8 divisors (see below), whose sum is σ = 41590656. Its totient is φ = 19928672.

The previous prime is 30542989. The next prime is 30543017. The reversal of 30542997 is 79924503.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 30542997 - 2³ = 30542989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30542927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108168 + ... + 108449.

It is an arithmetic number, because the mean of its divisors is an integer number (5198832).

Almost surely, 2^30542997 is an apocalyptic number.

It is an amenable number.

30542997 is a deficient number, since it is larger than the sum of its proper divisors (11047659).

30542997 is a wasteful number, since it uses less digits than its factorization.

30542997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216667.

The product of its (nonzero) digits is 68040, while the sum is 39.

The square root of 30542997 is about 5526.5719030878. The cubic root of 30542997 is about 312.5867390154.

The spelling of 30542997 in words is "thirty million, five hundred forty-two thousand, nine hundred ninety-seven".