30545038 has 4 divisors (see below), whose sum is σ = 45817560. Its totient is φ = 15272518.

The previous prime is 30545023. The next prime is 30545051. The reversal of 30545038 is 83054503.

It is a semiprime because it is the product of two primes.

It is an alternating number because its digits alternate between odd and even.

It is a junction number, because it is equal to n+sod(n) for n = 30544997 and 30545015.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 7636258 + ... + 7636261.

It is an arithmetic number, because the mean of its divisors is an integer number (11454390).

Almost surely, 2^30545038 is an apocalyptic number.

30545038 is a deficient number, since it is larger than the sum of its proper divisors (15272522).

30545038 is a wasteful number, since it uses less digits than its factorization.

30545038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15272521.

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 30545038 is about 5526.7565533503. The cubic root of 30545038 is about 312.5937016079.

The spelling of 30545038 in words is "thirty million, five hundred forty-five thousand, thirty-eight".