30180897 has 8 divisors (see below), whose sum is σ = 44712480. Its totient is φ = 20120580.

The previous prime is 30180889. The next prime is 30180929. The reversal of 30180897 is 79808103.

It is not a de Polignac number, because 30180897 - 2³ = 30180889 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30180817) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 558879 + ... + 558932.

It is an arithmetic number, because the mean of its divisors is an integer number (5589060).

Almost surely, 2^30180897 is an apocalyptic number.

It is an amenable number.

30180897 is a deficient number, since it is larger than the sum of its proper divisors (14531583).

30180897 is a wasteful number, since it uses less digits than its factorization.

30180897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1117820 (or 1117814 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 36.

The square root of 30180897 is about 5493.7143172903. The cubic root of 30180897 is about 311.3465428487.

The spelling of 30180897 in words is "thirty million, one hundred eighty thousand, eight hundred ninety-seven".