30545061 has 4 divisors (see below), whose sum is σ = 40726752. Its totient is φ = 20363372.

The previous prime is 30545051. The next prime is 30545101. The reversal of 30545061 is 16054503.

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 30545061 - 2⁷ = 30544933 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30545051) 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 3 ways as a sum of consecutive naturals, for example, 5090841 + ... + 5090846.

It is an arithmetic number, because the mean of its divisors is an integer number (10181688).

Almost surely, 2^30545061 is an apocalyptic number.

It is an amenable number.

30545061 is a deficient number, since it is larger than the sum of its proper divisors (10181691).

30545061 is a wasteful number, since it uses less digits than its factorization.

30545061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10181690.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 30545061 is about 5526.7586341363. The cubic root of 30545061 is about 312.5937800675.

Adding to 30545061 its reverse (16054503), we get a palindrome (46599564).

The spelling of 30545061 in words is "thirty million, five hundred forty-five thousand, sixty-one".